Part of the fullsize pickup segment, the 2018 GMC Sierra 2500HD diesel Double Cab competes with the Chevrolet Silverado 2500HD diesel Double Cab, the Ford F-250 SuperDuty diesel SuperCab. A base price of MSRP $46,595 gets you a 6.6L Turbo V8 and a 6-speed automatic transmission. Despite the price going up to $57,195, this single powertrain is found in all 3 trims. This engine produces 445 horsepower and 910 lb-ft of torque, achieving a 0-60 of 6.5 seconds, and is offered as both an RWD and 4WD. The GMC Sierra 2500HD diesel Double Cab offers 6'5 feet and 8'2 feet cargo bed, with 3,093 pounds and 3,276 pounds of payload capacity respectively. It also offers a healthy towing capacity of 13,000 pounds.
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2018 GMC Sierra 2500HD diesel Double Cab
Key Spec of 2018 GMC Sierra 2500HD diesel Double Cab
fuel economy
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fuel type
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horsepower
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basic warranty
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| Pros | Cons | What's New |
|---|---|---|
Equipped with all required standard safety features | Fuel economy numbers are dismal | Rearview camera and a 7-inch touchscreen now comes standard from the model year |
Powerful engine with a strong towing capacity | Ride quality varies with payload and towing weights |
2018 GMC Sierra 2500HD diesel Double Cab Price, Review, Ratings and Pictures
Updated on: July 15, 2022
Nathan Dyer
Senior Editor
Over All Rating 7.5Out of 10 | |
|---|---|
| Engine and Performance | 8.00 |
| Fuel Economy | 9.00 |
| Interior | 6.00 |
| Exterior | 9.00 |
| Safety | 7.00 |
| Competition | 6.00 |
Notable Rankings
#5 in Diesel Pickup-truck
#5 in Fullsize Diesel Pickup-truck
#8 in Fullsize Pickup-truck
#9 in Pickup-truck
Trims
Used GMC Sierra 2500HD diesel Double Cab For Sale
View MoreColors and Styles
Features
Trim: SLT 4dr Double Cab 6.5 ft. (6.6L 8cyl 445 hp Turbodiesel 6A)
SLT 4dr Double Cab 6.5 ft. (6.6L 8cyl 445 hp Turbodiesel 6A)
SLT 4dr Double Cab 6.5 ft. 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
SLE 4dr Double Cab 6.5 ft. 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
4dr Double Cab 6.5 ft. 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
4dr Double Cab 8 ft. LB 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
SLT 4dr Double Cab 8 ft. LB 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
SLE 4dr Double Cab 8 ft. LB (6.6L 8cyl 445 hp Turbodiesel 6A)
SLE 4dr Double Cab 6.5 ft. (6.6L 8cyl 445 hp Turbodiesel 6A)
SLT 4dr Double Cab 8 ft. LB (6.6L 8cyl 445 hp Turbodiesel 6A)
SLE 4dr Double Cab 8 ft. LB 4WD (6.6L 8cyl 445 hp Turbodiesel 6A)
4dr Double Cab 8 ft. LB (6.6L 8cyl 445 hp Turbodiesel 6A)
vehicle bio
base price$47800
body style4dr Double Cab
engine type
transmission6-Speed Automatic
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