2020 GMC Sierra 3500HD Double Cab Mpg

MSRP $41,195 - $48,995

Ranked #8 in Pickup-trucks

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2020 GMC Sierra 3500HD Double Cab City, Highway and Combined MPG and Fuel Range


The 2020 GMC Sierra 3500HD Double Cab gets a 6.6-liter V-8 under the hood that makes 401 hp @ 5200 rpm and 464 lbs.-ft. @ 4000 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 15 mpg in the city and 22 mpg on the highway. The combined efficiency of the engine comes out to be 18 mpg as rated by the EPA.

2020 GMC Sierra 3500HD Double Cab MPG and Range

Trim Name MPG City MPG Highway MPG Combined Fuel Tank Capacity
4dr Double Cab LB (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
4dr Double Cab LB DRW (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
4dr Double Cab LB 4WD (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
SLE 4dr Double Cab LB (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
4dr Double Cab LB 4WD DRW (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
SLE 4dr Double Cab LB DRW (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
SLE 4dr Double Cab LB 4WD (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.
SLE 4dr Double Cab LB 4WD DRW (6.6L 8cyl 6A) 15 mpg 22 mpg 18 mpg 36 gal.

When it comes to the fuel economy, the 2020 GMC Sierra 3500HD Double Cab is the least efficient of the lot. The car offers 15 mpg in the city, 22 mpg on the highway and combined efficiency of 18 mpg. All other rivals offer almost similar mpg figures but the 2020 GMC Sierra 3500HD Double Cab still goes down with its poorest mileage.

Its low MPG figures also hinder the overall travel range on a full tank which comes out to be - miles. One of the most efficient car amongst the competition is the 2020 Chevrolet Silverado 3500HD Double Cab with a mileage of 17 in the city and 23 on the highway. It has a total travel range of - miles on a full tank.

2020 GMC Sierra 3500HD Double Cab vs. Competitor's MPG and Range

Car Name MPG City MPG Highway MPG Combined Fuel Tank Capacity
2020 GMC Sierra 3500HD Double Cab 15 mpg 22 mpg 18 mpg 36 gal.
2020 Ford F-350 SuperDuty SuperCab - 20 mpg - 34 gal.
2020 Chevrolet Silverado 3500HD Double Cab 17 mpg 23 mpg 19 mpg 36 gal.

2018 GMC Sierra 3500HD Double Cab MPG and Range

Trim Name MPG Highway Fuel Tank Capacity
4dr Double Cab LB DRW (6.0L 8cyl 6A) 47 mpg 18.5 gal.
4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 27 mpg 18.5 gal.
4dr Double Cab 4WD LB (6.0L 8cyl 6A) 26 mpg 18.5 gal.
SLE 4dr Double Cab LB DRW (6.0L 8cyl 6A) 26 mpg 36 gal.
SLE 4dr Double Cab LB (6.0L 8cyl 6A) 27 mpg 36 gal.
SLE 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 26 mpg 18.5 gal.
SLE 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 27 mpg 36 gal.
SLT 4dr Double Cab LB DRW (6.0L 8cyl 6A) 27 mpg 36 gal.
SLT 4dr Double Cab LB (6.0L 8cyl 6A) 27 mpg 18.5 gal.
SLT 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 26 mpg 18.5 gal.
SLT 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 25 mpg 18.5 gal.
4dr Double Cab LB (6.0L 8cyl 6A) - 18.5 gal.

2018 GMC Sierra 3500HD Double Cab vs. Competitor's MPG and Range

Car Name MPG City MPG Highway MPG Combined Fuel Tank Capacity
2018 Chevrolet Silverado 3500HD Crew Cab 12 mpg 17 mpg 15 mpg 36 gal.
2018 Chevrolet Silverado 3500HD Regular Cab 12 mpg 17 mpg 15 mpg 36 gal.
2018 RAM 2500 Crew Cab 14 - 32 mpg - - 31 - 32 gal.
2018 Chevrolet Silverado 3500HD Double Cab 12 mpg 17 mpg 15 mpg 36 gal.
2018 GMC Sierra 3500HD Double Cab - 25 - 47 mpg - 18.5 - 36 gal.

2017 GMC Sierra 3500HD Double Cab MPG and Range

Trim Name MPG City Fuel Tank Capacity Range in Miles
4dr Double Cab 4WD LB (6.0L 8cyl 6A) 32 mpg 36 gal. -
4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 23 mpg 36 gal. 425.5/0 mi.
4dr Double Cab LB (6.0L 8cyl 6A) 30 mpg 36 gal. -
4dr Double Cab LB DRW (6.0L 8cyl 6A) 32 mpg 36 gal. -
SLE 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 17 mpg 36 gal. 314.5/0 mi.
SLE 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 22 mpg 36 gal. 407/0 mi.
SLE 4dr Double Cab LB (6.0L 8cyl 6A) 18 mpg 36 gal. 333/0 mi.
SLE 4dr Double Cab LB DRW (6.0L 8cyl 6A) 25 mpg 36 gal. 462.5/0 mi.
SLT 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 30 mpg 36 gal. -
SLT 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 25 mpg 36 gal. 462.5/0 mi.
SLT 4dr Double Cab LB (6.0L 8cyl 6A) 30 mpg 36 gal. -
SLT 4dr Double Cab LB DRW (6.0L 8cyl 6A) 23 mpg 36 gal. 425.5/0 mi.

2017 GMC Sierra 3500HD Double Cab vs. Competitor's MPG and Range

Car Name MPG City Fuel Tank Capacity Range in Miles
2017 Chevrolet Silverado 3500HD 16 - 29 mpg 36 gal. 296/0 - 536.5/0 mi.
2017 RAM 2500 Crew Cab 16 - 17 mpg 31 - 32 gal. 296/0 - 314.5/0 mi.
2017 Chevrolet Silverado 3500HD Double Cab 11 - 25 mpg 36 gal. 203.5/0 mi.
2017 GMC Sierra 3500HD Double Cab 17 - 32 mpg 36 gal. 314.5/0 - 462.5/0 mi.
2017 Chevrolet Silverado 3500HD Crew Cab 14 - 17 mpg 36 gal. -

2016 GMC Sierra 3500HD Double Cab MPG and Range

Trim Name Fuel Tank Capacity
SLT 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.
4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.

2015 GMC Sierra 3500HD Double Cab MPG and Range

Trim Name Fuel Tank Capacity
SLT 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
SLT 4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
SLE 4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.
4dr Double Cab 4WD LB DRW (6.0L 8cyl 6A) 36 gal.
4dr Double Cab 4WD LB (6.0L 8cyl 6A) 36 gal.
4dr Double Cab LB DRW (6.0L 8cyl 6A) 36 gal.
4dr Double Cab LB (6.0L 8cyl 6A) 36 gal.

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