Used GMC Sierra 3500HDs for sale in Edson, AB

Command the road with confidence and style in the 2020 GMC Sierra 3500HD Denali, a powerhouse for those who demand more from their truck.

2020 GMC 3500 HD Crew CAB Pickup 4WD

**GM Certified**

// ACCIDENT FREE!! // // SINGLE OWNER! //

This used 2020 GMC Sierra 3500HD Denali is a robust and reliable companion for any journey. With its 6.6L V8 diesel engine and 4x4 drivetrain, this truck is built to tackle the toughest terrains and heaviest loads with ease. The Crew Cab configuration offers ample space, ensuring comfort for all passengers, while the luxurious leather seats, heated and cooled for both front and rear, provide a premium driving experience. Safety is paramount with advanced features like Blind Spot Monitor, Lane Departure Warning, and Front Collision Mitigation, offering peace of mind on every drive. The integrated Navigation System and WiFi Hotspot keep you connected and on course, while the powerful Turbocharged engine and Locking/Limited Slip Differential ensure optimal performance. The exterior is both functional and stylish, featuring a durable Bed Liner and Running Boards for easy access. Whether you’re hauling heavy loads or cruising through the city, the Sierra 3500HD Denali combines strength, luxury, and advanced technology, making it the ultimate choice for drivers who refuse to compromise.

This 2020 GMC Sierra 3500HD Denali combines heavy-duty capability with premium Denali luxury. Equipped with 4WD, a spacious Crew Cab, and a Standard Box, it’s built to handle demanding jobs while delivering a refined, comfortable ride. Bold Denali styling, advanced technology, and impressive towing capability make this truck a standout choice for work or everyday driving. A powerful and polished heavy-duty pickup ready for whatever lies ahead.

*GM CERTIFIED PRE-OWNED RATES @ 3.99% O.A.C

The 2021 GMC Sierra 3500HD AT4 4WD is the perfect blend of heavy-duty capability and premium refinement, built for drivers who demand serious strength without sacrificing comfort or style. From the first glance, its bold AT4-exclusive styling sets it apart, featuring a commanding grille, blacked-out accents, red recovery hooks, and an aggressive stance that signals this truck is ready for work or adventure. Whether it’s pulling into a job site or heading off the beaten path, the Sierra 3500HD AT4 makes a powerful impression.

Step inside and you’ll find an interior designed to work just as hard as the truck itself, while keeping you comfortable mile after mile. The cabin is spacious and thoughtfully laid out, offering supportive seating, durable yet upscale materials, and excellent visibility. Advanced technology enhances every drive, with an intuitive touchscreen infotainment system, smartphone integration, premium audio, and driver-focused controls that make towing, hauling, and daily driving effortless. Everything feels solid, refined, and purpose-built, reinforcing the confidence you expect from a heavy-duty GMC.

Under the hood, the Sierra 3500HD AT4 delivers outstanding performance and reliability. Its robust powertrain and advanced four-wheel-drive system provide exceptional towing and payload capability, making it an ideal choice for contractors, RV owners, or anyone who needs uncompromising strength. The AT4’s off-road-tuned suspension and increased ground clearance add an extra layer of versatility, allowing this truck to tackle rough terrain with ease while maintaining stability and control on the highway. Despite its size and capability, the Sierra remains composed and predictable, even under heavy loads.

Safety and peace of mind are key strengths of this Sierra. A suite of advanced safety features helps protect you and your passengers, while GMC’s reputation for durability ensures long-term dependability. The 2021 model year offers an excellent balance of modern technology and proven engineering, making this truck a smart value compared to newer models with significantly higher price tags. Combined with strong resale value and a reputation for longevity, the Sierra 3500HD AT4 stands out as a sound investment.

What truly sets this truck apart from competitors is its rare combination of heavy-duty performance, off-road capability, and premium comfort, all wrapped in a design that feels both rugged and refined. If you’ve been searching for a truck that can handle the toughest jobs while still feeling like a luxury vehicle on the inside, this 2021 GMC Sierra 3500HD AT4 4WD deserves your attention. Don’t miss the opportunity to own a truck this capable and well-equipped—contact us today to schedule your test drive and see firsthand why this Sierra stands in a class of its own.

Write ups are completed by ChatGPT. The Information generated by ChatGPT is based on machine learning algorithms and natural language processing technology. It may not always be accurate and should be verified through additional sources.

2021 GMC Sierra 3500HD SLE 4WD

Powerful, dependable, and built for heavy-duty performance — this 2021 GMC Sierra 3500HD SLE 4WD is equipped with the 6.6 L Duramax Turbo-Diesel V8, paired with a 10-speed Allison automatic transmission and robust 4×4 drivetrain for confident traction and strength in all seasons. The Duramax diesel delivers substantial torque, making it ideal for towing large trailers, hauling heavy loads, or tackling demanding worksite tasks with ease. The SLE trim provides a comfortable, well-appointed interior with practical features that support both everyday driving and work-oriented use.

✅ 6.6 L Duramax Turbo-Diesel V8 — Heavy-duty torque and towing capability

✅ Allison 10-Speed Automatic Transmission & 4WD — Confident all-terrain performance

✅ SLE Trim — Well-equipped with practical comfort and usability

✅ Heavy-Duty Frame & Chassis — Built for demanding jobs and long-term durability

✅ Excellent Towing & Payload Potential — Ready for big trailers and heavy loads

✅ Balanced Strength & Everyday Practicality — Tough truck with usable comfort

Here at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!

*GM CERTIFIED PRE-OWNED RATES @ 3.99% O.A.C

The 2021 GMC Sierra 3500HD Denali 4WD Crew Cab represents the perfect balance of uncompromising strength and premium refinement, making it an outstanding choice for buyers who need serious capability without sacrificing comfort or style. From the moment you see it, the Sierra Denali makes a powerful statement with its bold chrome grille, signature Denali accents, and commanding stance. This is a truck designed to look just as confident pulling into a job site as it does arriving at a high-end destination, setting it apart from other heavy-duty pickups on the road.

Inside, the Denali trim elevates the driving experience with a thoughtfully crafted cabin that feels more like a luxury SUV than a work truck. High-quality materials, refined finishes, and spacious seating for the entire crew create an environment that is both comfortable and functional. Advanced technology is seamlessly integrated, with an intuitive infotainment system, premium audio, and smart connectivity features that keep you informed and entertained on long drives or daily commutes. Convenience features such as power-adjustable seating, dual-zone climate control, and ample storage make every journey more enjoyable.

Performance is where the Sierra 3500HD truly shines. Built for demanding tasks, this truck delivers exceptional towing and hauling capability while maintaining a composed, confident ride. The 4WD system provides outstanding traction and control in challenging conditions, whether you’re navigating rough terrain, winter roads, or heavy loads. Despite its immense capability, the Sierra is engineered for durability and efficiency within its class, offering dependable performance you can count on day after day.

Safety and confidence are key strengths of this truck, with advanced driver-assist technologies designed to help protect you, your passengers, and your cargo. From enhanced visibility to intelligent safety systems, the Sierra 3500HD Denali is built to inspire confidence behind the wheel. Its reputation for long-term reliability and solid build quality further reinforces its value as a smart ownership choice.

What truly sets this 2021 GMC Sierra 3500HD Denali apart from competitors is its rare combination of heavy-duty performance and luxury-level comfort, all at a price point that delivers exceptional value in the HD market. This truck offers more refinement, advanced technology, and everyday usability than many rivals, making it an ideal investment for both work and personal use. Trucks of this caliber don’t stay available for long—contact us today to book your test drive and experience firsthand why the Sierra 3500HD Denali is the ultimate heavy-duty truck for drivers who demand more.

Write ups are completed by ChatGPT. The Information generated by ChatGPT is based on machine learning algorithms and natural language processing technology. It may not always be accurate and should be verified through additional sources.

2021 GMC Sierra 3500HD Denali

If you’re looking for a serious HD truck that works hard and lives like a luxury SUV, this Sierra 3500HD Denali brings the best of both worlds — Duramax power, confident trailering tech, and Denali comfort.

Denali HD highlights

• 6.6L Duramax® Turbo-Diesel V8 paired with the Allison® 10-speed automatic

• 4x4 capability with heavy-duty stance and stability

• Denali Black Diamond Edition (premium touches + standout Denali styling)

• Denali Ultimate Package (next-level luxury and comfort features)

• Technology Package including Head-Up Display and added driver-assist tech

• Gooseneck / 5th Wheel Prep Package — built for real towing setups

• ProGrade Trailering System with hitch guidance + in-vehicle trailering support

• Power retractable running boards for easy in/out (especially when it’s lifted up like a proper HD should be)

• Heated & cooled front seats + heated rear seats for all-season comfort

• HD trailering & winter-ready extras like engine block heater, exhaust brake, high idle switch, and more

Financing & Payments Use the “Customize your payment” tool on this page to explore weekly / bi-weekly / monthly options that fit your budget.

Trades welcome • Financing options OAC Fees & taxes extra • Documentation fee $899 • Dealer License # D50467

Visit us: Bannister Chilliwack Chrysler, 45730 Hocking Avenue, Chilliwack, BC V2P 1B5 • (604) 792-2754

This listing was generated with the assistance of ChatGPT AI. While every effort has been made to ensure accuracy, please confirm all vehicle details directly with Bannister Chilliwack Chrysler. Errors or omissions may occur.

2021 GMC Sierra 3500HD Denali

Premium, powerful, and built for heavy-duty confidence — this 2021 GMC Sierra 3500HD Denali equipped with the 6.6 L Duramax Turbo-Diesel V8 delivers exceptional torque and strength in a refined full-size truck package with a clean no reported accidents history. The Duramax diesel pairs with an Allison 10-speed automatic transmission and robust 4×4 drivetrain, giving you the capability to tow, haul, or tackle tough terrain with ease while still offering a smooth, controlled ride. With its upscale Denali trim, this Sierra combines rugged performance with premium comfort and advanced tech features, making it ideal for demanding work duties and everyday driving alike.

✅ 6.6 L Duramax Turbo-Diesel V8 — Heavy-duty torque and pulling strength for big jobs

✅ Allison 10-Speed Automatic & 4×4 — Smooth shifts and confident all-season traction

✅ Denali Luxury — Premium interior materials, advanced comfort, and refined design

✅ Professional-Grade Towing Ability — Excellent heavy towing potential with proper equipment

✅ Modern Technology & Comfort — Well-appointed cabin with intuitive tech features

✅ No Reported Accidents — Clean vehicle history

Here at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!

2022 GMC Sierra 3500HD SLE

Built for hard work and heavy loads — this 2022 GMC Sierra 3500HD SLE with the 6.6 L gas V8 engine delivers robust power and reliable performance, making it a smart choice for towing, hauling, or work-site demands. The big V8 is paired with a heavy-duty automatic transmission and full-time 4×4 drivetrain for dependable strength and control, whether on asphalt or rough terrain. The SLE trim offers a functional, well-equipped cabin that balances utility with comfort — giving you the toughness of a heavy-duty truck without sacrificing usability for daily tasks or long hauls.

✅ 6.6 L Gas V8 – Strong work-truck performance and reliable towing/hauling capability

✅ Heavy-Duty Automatic Transmission & 4×4 Drivetrain – Built for demanding conditions and versatility

✅ SLE Trim – Practical, durable interior that’s ready for work or everyday use

✅ Heavy-Duty Bed and Chassis – Prepared for payloads, equipment, or heavy loads

✅ X31 Off road package

Here at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!

*GM CERTIFIED PRE-OWNED RATES @ 3.99% O.A.C

The 2023 GMC Sierra 3500HD Denali 4WD Long Box represents the pinnacle of heavy-duty capability wrapped in unmistakable luxury. From the moment you see it, this truck makes a powerful statement with its bold Denali grille, signature chrome accents, LED lighting, and commanding long-box stance that signals serious work readiness. Designed for those who demand strength without sacrificing style, the Sierra 3500HD Denali stands apart from competitors by seamlessly blending professional-grade capability with refined craftsmanship.

Inside, the Denali cabin delivers an experience more commonly associated with premium SUVs than heavy-duty trucks. High-quality materials, refined finishes, and thoughtfully designed seating create an environment that is both comfortable and functional, even on long hauls. The spacious interior offers exceptional legroom and support, while advanced climate control and sound insulation ensure a quiet, composed ride whether you’re towing, commuting, or traveling cross-country. This is a truck built to keep you comfortable and confident all day long.

Technology and convenience are at the heart of the Sierra 3500HD Denali. The intuitive infotainment system provides seamless smartphone integration, crisp graphics, and easy access to navigation, media, and vehicle settings. Advanced driver-assist and trailering technologies help simplify even the most demanding jobs, offering enhanced visibility, confidence, and control when hauling or maneuvering. These smart features make everyday driving and heavy-duty tasks feel effortless and refined.

Performance is where this truck truly shines. Engineered for serious towing and payload demands, the Sierra 3500HD Denali delivers immense capability backed by GMC’s proven 4WD system. Whether you’re pulling heavy equipment, a large trailer, or navigating challenging terrain, this truck responds with confidence and authority. Despite its size and power, it remains composed and efficient for its class, making it a practical choice for owners who need maximum output without compromise.

Safety and reliability are built into every aspect of this vehicle. Advanced safety technologies support driver awareness and peace of mind, while GMC’s reputation for durability ensures this truck is ready for years of dependable service. Its condition and engineering reflect a vehicle designed for long-term ownership, strong resale value, and minimal downtime—key considerations for anyone investing in a heavy-duty pickup.

What truly sets the 2023 GMC Sierra 3500HD Denali apart is its ability to outperform rivals while delivering a premium ownership experience. Compared to competitors, it offers a rare combination of luxury, advanced technology, and uncompromising strength, making it a smart choice at its price point. Trucks of this caliber and condition are always in high demand, so don’t wait. Contact us today or schedule your test drive to experience firsthand why the Sierra 3500HD Denali is the ultimate heavy-duty truck for those who refuse to settle.

Write ups are completed by ChatGPT. The Information generated by ChatGPT is based on machine learning algorithms and natural language processing technology. It may not always be accurate and should be verified through additional sources.

The 2023 GMC Sierra 3500HD Denali 4WD Crew Cab Long Box delivers commanding strength paired with refined luxury, making it a standout in the heavy-duty truck segment. Designed for serious towing and hauling, it features a rugged long box and a confident four-wheel-drive system that’s ready for demanding job sites or tough road conditions. Under the hood, powerful engine options provide impressive torque and capability, while the Denali trim elevates the experience with premium leather seating, real wood accents, and advanced driver-assistance technology. Bold chrome detailing, a distinctive Denali grille, and a spacious, high-tech cabin ensure this truck is as comfortable and stylish as it is capable.

This 2023 GMC Sierra 3500HD Denali 4WD delivers uncompromising capability with premium Denali refinement. Built for serious work, it offers exceptional towing and hauling confidence paired with a smooth, commanding ride thanks to its advanced 4WD system.

The Denali interior features upscale materials, leather-appointed seating, heated and ventilated front seats, a premium sound system, and a large touchscreen with Apple CarPlay® and Android Auto™. The spacious Crew Cab provides generous room for passengers while the Standard Box adds everyday versatility.

Advanced safety and driver-assist features, bold Denali styling, and heavy-duty performance make this pre-owned Sierra 3500HD Denali the perfect blend of luxury and strength. Ready to work hard and look good doing it.

- POWER DRIVER SEAT
-  POWER SUNROOF
- GOOSENECK/5TH WHEEL PACKAGE
- HEATED 2ND ROW OUTBOARD SEATS
- WIRELESS CHARGING
- AT4 PREFERRED PACKAGE
- WRAPPED STEERING WHEEL
- STEERING WHEEL AUDIO CONTROLS
- BOSE SPEAKER SYSTEM
- DURAMAX 6.6L V8 TURBO DIESEL
- HEATED DRIVER & FRONT OUTBOARD PASSENGER SEATING
- HEATED STEERING WHEEL

Command the road with power and precision in the 2024 GMC Sierra 3500HD AT4, where rugged capability meets refined luxury for the discerning driver.

The 2024 GMC Sierra 3500HD AT4 in Onyx Black is a powerhouse designed for those who demand more from their truck. Equipped with a formidable Duramax 6.6L Turbo-Diesel V8 engine, this beast delivers an impressive 470 horsepower and a staggering 975 lb-ft of torque, ensuring you have the muscle to tackle any challenge. Its 4x4 drivetrain and Locking/Limited Slip Differential provide exceptional traction and stability, perfect for navigating Canada’s diverse terrains.

Inside, the Sierra 3500HD AT4 offers a sanctuary of comfort with leather bucket seats that are both heated and cooled, ensuring optimal comfort in any weather. The advanced navigation system and premium sound system keep you connected and entertained on long journeys, while the heated steering wheel and rain-sensing wipers add a touch of luxury to every drive.

Safety is paramount, with features like Blind Spot Monitor, Lane Departure Warning, and Front Collision Mitigation, ensuring peace of mind on every adventure. Whether towing heavy loads or cruising the open road, the Sierra 3500HD AT4 is your ultimate partner in performance and luxury.

THE POWER TO PULL YOUR WORLD.

STYLE The 2024 Sierra Heavy Duty lineup is elevated with styling and design updates, inside and out. Available highlights include revised front bumper, fascia, grille designs and finishes on each trim, unique new interiors on SLE and SLT trims, as well as unique GMC premium interior designs for AT4, Denali and Denali Ultimate. New wheel designs on SLE, AT4, Denali and six new exterior colours.

POWERTRAIN Customers can choose between two powertrains. The standard engine is a 6.6L V-8 gas with direct injection making 401 hp and 464 lb-ft of torque. The available enhanced 6.6L Duramax Turbo-Diesel now delivers 470 hp (at 2800 rpm) and 975 ft-lbs (at 1600 rpm), offering more power across the entire operating speed range. The Allision 10-speed automatic transmission is now standard.

TOWING Max towing across the lineup: Up to 22,070 lbs. on Sierra Pro 2500HD Crew Cab. Up to 22,430 lbs. on Sierra Pro 2500HD – a 4,240-lbs. increase over current model. Up to 36,000 lbs. on Sierra Pro 3500HD. The ProGrade Trailering System includes a suite of available intelligent trailering assistance technologies designed to help streamline the hitching and towing process.

MODELS The 2024 Sierra HD lineup includes 2500HD and 3500HD models, in Regular Cab, Extended Cab and Crew Cab configurations — with dual-rear-wheel models available on 3500HD. Available trims include Pro, SLE, SLT, AT4, Denali and first-ever Sierra HD Denali Ultimate The purpose-built for off-road action with trail-ready capability straight from the factory AT4X trim coming later in the model year

TECHNOLOGY We offer updated technologies including an available new, largest-in-class 13.4-inch-diagonal tablet-style infotainment touchscreen and the most available trailering assistance technologies in the HD class through GMC’s ProGrade trailering system, offering up to 14 available camera views. Other new features include GCW Alert and available Adaptive Cruise Control with Trailering.

*Some new vehicles may have New GM parts added at the dealership and do not reflect in the online MSRP. Please contact the dealership for details. 

There are numerous reasons why you should choose our Bannister GM Vernon dealership as your primary destination for all your automotive needs. One of the most prominent reasons is our exceptional customer service, which consistently is in GM's top 3 of Western Canada for customer service satisfaction, and evidenced by our nearly 800 Google reviews. 

We take great pride in serving our wonderful community of Vernon but also our neighbouring communities such as Kelowna, Salmon Arm, Penticton, Kamloops, Northern BC, Vancouver and even out to Alberta! 

Save this Page and Call for Availability. Our dedicated team would be delighted to guide you through our extensive inventory of both new and used vehicles at your convenience. Feel free to get in touch with Bannister GM Vernon today to arrange a test drive for your next vehicle.

Visit us at Bannister GM Vernon - 4703 27th St., Vernon, BC Canada Or call us toll free @ 1-888-410-5761 to book an appointment with a sales associate.

THE POWER TO PULL YOUR WORLD.

STYLE The 2024 Sierra Heavy Duty lineup is elevated with styling and design updates, inside and out. Available highlights include revised front bumper, fascia, grille designs and finishes on each trim, unique new interiors on SLE and SLT trims, as well as unique GMC premium interior designs for AT4, Denali and Denali Ultimate. New wheel designs on SLE, AT4, Denali and six new exterior colours.

POWERTRAIN Customers can choose between two powertrains. The standard engine is a 6.6L V-8 gas with direct injection making 401 hp and 464 lb-ft of torque. The available enhanced 6.6L Duramax Turbo-Diesel now delivers 470 hp (at 2800 rpm) and 975 ft-lbs (at 1600 rpm), offering more power across the entire operating speed range. The Allision 10-speed automatic transmission is now standard.

TOWING Max towing across the lineup: Up to 22,070 lbs. on Sierra Pro 2500HD Crew Cab. Up to 22,430 lbs. on Sierra Pro 2500HD – a 4,240-lbs. increase over current model. Up to 36,000 lbs. on Sierra Pro 3500HD. The ProGrade Trailering System includes a suite of available intelligent trailering assistance technologies designed to help streamline the hitching and towing process.

MODELS The 2024 Sierra HD lineup includes 2500HD and 3500HD models, in Regular Cab, Extended Cab and Crew Cab configurations — with dual-rear-wheel models available on 3500HD. Available trims include Pro, SLE, SLT, AT4, Denali and first-ever Sierra HD Denali Ultimate The purpose-built for off-road action with trail-ready capability straight from the factory AT4X trim coming later in the model year

TECHNOLOGY We offer updated technologies including an available new, largest-in-class 13.4-inch-diagonal tablet-style infotainment touchscreen and the most available trailering assistance technologies in the HD class through GMC’s ProGrade trailering system, offering up to 14 available camera views. Other new features include GCW Alert and available Adaptive Cruise Control with Trailering.

*Some new vehicles may have New GM parts added at the dealership and do not reflect in the online MSRP. Please contact the dealership for details. 

There are numerous reasons why you should choose our Bannister GM Vernon dealership as your primary destination for all your automotive needs. One of the most prominent reasons is our exceptional customer service, which consistently is in GM's top 3 of Western Canada for customer service satisfaction, and evidenced by our nearly 800 Google reviews. 

We take great pride in serving our wonderful community of Vernon but also our neighbouring communities such as Kelowna, Salmon Arm, Penticton, Kamloops, Northern BC, Vancouver and even out to Alberta! 

Save this Page and Call for Availability. Our dedicated team would be delighted to guide you through our extensive inventory of both new and used vehicles at your convenience. Feel free to get in touch with Bannister GM Vernon today to arrange a test drive for your next vehicle.

Visit us at Bannister GM Vernon - 4703 27th St., Vernon, BC Canada Or call us toll free @ 1-888-410-5761 to book an appointment with a sales associate.