Dueck Auto Group - Proudly serving Metro Vancouver for 100 years.
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6.62ft Box Length
City: 10.6L/100 km • Hwy: 9.2L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    43566A
  • Fuel Type
    Diesel
  • 56,485 km
Certified
Custom Badge Image
Recent Arrival! Odometer is 51126 kilometers below market average! Summit White 2021 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6

2021 GMC Sierra 1500 AT4 Duramax 3.0L Turbo Diesel

Built for those who want rugged capability without giving up refinement. This 2021 GMC Sierra AT4 is powered by the legendary 3.0L Duramax Turbo Diesel, delivering impressive torque, excellent fuel efficiency, and confident performance on and off the road.

The AT4 package brings serious off-road hardware, including a factory 2-inch lift, 4WD with Terrain Mode, skid plates, and Rancho monotube shocks, all wrapped in bold AT4 styling with blacked-out accents and aggressive wheels. Whether you're towing, hauling, or heading off the beaten path, this truck is ready.

Inside, enjoy a refined cabin with leather-appointed seating, heated front seats, heated steering wheel, touchscreen infotainment with Apple CarPlay & Android Auto, dual-zone climate control, and advanced driver-assist features for added confidence on every drive.

Highlights:
•3.0L Duramax Turbo Diesel
•10-speed automatic transmission
•4WD AT4 Off-Road Package
•Factory 2 lift & skid plates
•Premium leather interior
•Apple CarPlay & Android Auto
•Advanced safety & towing tech

Power, efficiency, and off-road capability come together in one bold package. The 2021 GMC Sierra AT4 Duramax is the truck that works hard and looks good doing it.

Don't miss out contact us today for more informa6tion and schedule for a test drive!

Dueck on Marine is located at 400 S.E. Marine Drive in Vancouver BC. We look forward to helping you trade-in your old car or SUV, helping you find your next new or used vehicle and then helping you complete the purchase with the financing and purchase option that is best for you. Dealer #8430
Taxes and $699 Administration fee excluded in prices.
Come by and check out our fleet of 50+ used cars and trucks and 190+ new cars and trucks for sale in Vancouver.
Starting Price:
$60,654
Purchase Price
$56,999
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
  • Dueck Discount -$3,655
5.83ft Box Length
City: 15.4L/100 km • Hwy: 12.3L/100 km
  • Body Style
    Truck
  • Engine
    6.2L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    43744A
  • Fuel Type
    Gasoline
  • 109,986 km
Starting Price:
$62,998
Purchase Price
$59,998
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
  • Dueck Discount -$3,000
5.78ft Box Length
City: 14.1L/100 km • Hwy: 10.6L/100 km
  • Body Style
    Truck
  • Engine
    5.3L 8Cyl
  • Exterior Colour
    Gray
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    43758A
  • Fuel Type
    Gasoline
  • 183,500 km
Starting Price:
Please Call for Price
Crew Cab Short Box 4-Wheel Drive Denali
City: 16L/100 km • Hwy: 12.1L/100 km
  • Body Style
    Truck
  • Engine
    6.2L 8Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    43783A
  • Fuel Type
    Gasoline
  • 36,500 km
Purchase Price
$70,998
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
5.83ft Box Length - Over $5700 spent in service! Ready for a new home!
City: 10.5L/100 km • Hwy: 9.1L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    77772A
  • Fuel Type
    Diesel
  • 161,654 km
This well-maintained 2020 GMC Sierra 1500 Denali offers premium capability, comfort, and presence, with 161,654 kilometres on the odometer. Finished in Onyx Black with a Black leather interior, it presents exceptionally well and delivers the upscale feel expected from a Denali.

A $699 Documentation Fee and $495 Finance Placement Fee are additional to the advertised price.

Recently, $5,737 has been invested to bring this truck up to Duecks high reconditioning standardsproviding added confidence and peace of mind for the next owner. This comprehensive work ensures the vehicle is ready for the road and reflects the level of quality you expect.

For full transparency, this vehicle has a previous $5,050 accident claim and a $1,331 glass claim on record.

We believe in complete openness and are happy to provide the full service and reconditioning report to any interested buyer.

If youre looking for a thoroughly inspected, professionally reconditioned Sierra Denali thats been properly represented, this one is ready to go.

Its been 100 years since Dueck GM was founded in Vancouver in 1926, and were only focused on whats ahead. We remain just as committed to customer service and quality today as we were back thenand well continue to carry that forward. We aim to push boundaries and provide quality vehicles to everyone who walks through our doors.

Dueck Auto Group was founded on three core principles: Selection, Value, and Trust. These are values weve stood by since day one, and they continue to guide every member of the Dueck Auto Group team today.


Starting Price:
$43,995
Purchase Price
$39,489
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
  • Dueck Discount -$4,506
5.83ft Box Length
City: 14.8L/100 km • Hwy: 11.8L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    61189A
  • Fuel Type
    Diesel
  • 89,878 km
Certified
Custom Badge Image
Finance from
$415 bw
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
Starting Price:
$59,497
Purchase Price
$55,996
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
  • Dueck Discount -$3,501
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5.83ft Box Length - Diesel, Ex Lease, Local Truck with less than 16000kms!
City: 10.6L/100 km • Hwy: 9L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock
    77799A
  • Fuel Type
    Diesel
  • 15,839 km
Certified
Custom Badge Image
This top of the line Sierra Denali Ultimate is finished in stunning Onyx Black with the exclusive Alpine Umber interior, delivering a perfect balance of bold presence and refined luxury. This ex lease diesel pusher has had only two owners and shows exceptionally well, with less than 16,000 kilometres on the engine, making it a rare opportunity to own a flagship truck in outstanding condition.

Powered by the proven Duramax diesel, this Denali Ultimate offers effortless torque, impressive efficiency, and confident towing capability, all wrapped in a remarkably smooth and quiet driving experience. Inside, the cabin is loaded with premium materials, advanced technology, and comfort features that elevate every drive, whether its a daily commute or a long road trip.

With over $13,000 off MSRP, this truck represents tremendous value in the luxury pickup segment. It has passed the Dueck Certified Inspection and is fully serviced, inspected, and ready for new adventures with total peace of mind.

Independent automotive reviews consistently rank the Sierra Denali Ultimate among the very best luxury trucks on the road. MotorTrend has described it as the Maybach of pickup trucks, praising its ultra premium interior and ride quality. CarBuzz highlights the Duramax diesel as the ideal match for the Denali Ultimate, noting its strong torque delivery and impressive fuel economy. Edmunds applauds the Sierra for its upscale cabin, advanced driver assist technology, and the versatility of its diesel powertrain, making it one of the most well rounded luxury pickups available today.
Starting Price:
$98,995
Purchase Price
$91,966
Advertised prices do not include $699.00 administration fee and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacturer incentives, and vehicles are subject to availability.
  • Administration Fee (Not Included) $699
  • Dueck Discount -$7,029
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