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World Of EVEditorial

GMC Sierra

ElectricHybridDieselGasCNG / otherPickup

The GMC Sierra has been sold in the US from 2000 to 2026, in 27 model years covered here. The 2026 line-up has 25 trims with 283–410 miles of EPA range and 15–25 MPG combined.

Model years

2021 Sierra trims (36)

Sierra 2WD

Diesel

Rear-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 2WD

MPG combined
26
City / highway
23 / 30
Engine
3.0L 6-cyl turbo
Fuel
Diesel
Annual fuel cost
$3,700
Tailpipe CO₂
392 g/mi

Sierra 4WD

Diesel

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
24
City / highway
22 / 26
Engine
3.0L 6-cyl turbo
Fuel
Diesel
Annual fuel cost
$4,000
Tailpipe CO₂
430 g/mi

Sierra 4WD AT4

Diesel

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
24
City / highway
22 / 26
Engine
3.0L 6-cyl turbo
Fuel
Diesel
Annual fuel cost
$4,000
Tailpipe CO₂
430 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 2WD

MPG combined
17
City / highway
15 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
523 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 2WD

MPG combined
16
City / highway
15 / 19
Engine
5.3L 8-cyl
Fuel
Gasoline or E85
Annual fuel cost
$4,200
Tailpipe CO₂
547 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 2WD

MPG combined
19
City / highway
17 / 23
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,550
Tailpipe CO₂
466 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 2WD

MPG combined
17
City / highway
16 / 21
Engine
4.3L 6-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
523 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 2WD

MPG combined
21
City / highway
20 / 23
Engine
2.7L 4-cyl turbo
Fuel
Regular
Annual fuel cost
$3,200
Tailpipe CO₂
421 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 2WD

MPG combined
21
City / highway
20 / 23
Engine
2.7L 4-cyl turbo
Fuel
Regular
Annual fuel cost
$3,200
Tailpipe CO₂
422 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 2WD

MPG combined
16
City / highway
14 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,200
Tailpipe CO₂
541 g/mi

Sierra 2WD

Gas

Rear-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 2WD

MPG combined
17
City / highway
15 / 22
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
515 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
17
City / highway
16 / 20
Engine
6.2L 8-cyl
Fuel
Premium
Annual fuel cost
$4,850
Tailpipe CO₂
510 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 4WD

MPG combined
17
City / highway
15 / 20
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
526 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 18
Engine
5.3L 8-cyl
Fuel
Gasoline or E85
Annual fuel cost
$4,200
Tailpipe CO₂
561 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
19
City / highway
16 / 22
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,550
Tailpipe CO₂
479 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
18
City / highway
16 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,700
Tailpipe CO₂
504 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 4WD

MPG combined
17
City / highway
15 / 20
Engine
4.3L 6-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
530 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
19
City / highway
18 / 21
Engine
2.7L 4-cyl turbo
Fuel
Regular
Annual fuel cost
$3,550
Tailpipe CO₂
464 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
19
City / highway
18 / 20
Engine
2.7L 4-cyl turbo
Fuel
Regular
Annual fuel cost
$3,550
Tailpipe CO₂
475 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 20
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,200
Tailpipe CO₂
560 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 20
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,200
Tailpipe CO₂
561 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
15 / 20
Engine
6.2L 8-cyl
Fuel
Premium
Annual fuel cost
$5,150
Tailpipe CO₂
539 g/mi

Sierra 4WD

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
18
City / highway
15 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,700
Tailpipe CO₂
504 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
17
City / highway
15 / 19
Engine
6.2L 8-cyl
Fuel
Premium
Annual fuel cost
$4,850
Tailpipe CO₂
522 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
18
City / highway
16 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,700
Tailpipe CO₂
494 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
18
City / highway
16 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,700
Tailpipe CO₂
484 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 6-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 18
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,200
Tailpipe CO₂
543 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 8-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 20
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,200
Tailpipe CO₂
551 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
16
City / highway
14 / 19
Engine
6.2L 8-cyl
Fuel
Premium
Annual fuel cost
$5,150
Tailpipe CO₂
555 g/mi

Sierra 4WD AT4

Gas

4-Wheel Drive · Automatic 10-spd · Standard Pickup Trucks 4WD

MPG combined
17
City / highway
15 / 21
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
523 g/mi

Sierra Cab Chassis 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 2WD

MPG combined
15
City / highway
14 / 18
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,450
Tailpipe CO₂
590 g/mi

Sierra Cab Chassis 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 2WD

MPG combined
17
City / highway
15 / 19
Engine
4.3L 6-cyl
Fuel
Regular
Annual fuel cost
$3,950
Tailpipe CO₂
523 g/mi

Sierra Cab Chassis 2WD

Gas

Rear-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 2WD

MPG combined
14
City / highway
13 / 18
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,800
Tailpipe CO₂
634 g/mi

Sierra Cab Chassis 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 4WD

MPG combined
15
City / highway
14 / 17
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,450
Tailpipe CO₂
593 g/mi

Sierra Cab Chassis 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 4WD

MPG combined
15
City / highway
14 / 16
Engine
4.3L 6-cyl
Fuel
Regular
Annual fuel cost
$4,450
Tailpipe CO₂
592 g/mi

Sierra Cab Chassis 4WD

Gas

4-Wheel Drive · Automatic 6-spd · Special Purpose Vehicle 4WD

MPG combined
14
City / highway
13 / 17
Engine
5.3L 8-cyl
Fuel
Regular
Annual fuel cost
$4,800
Tailpipe CO₂
635 g/mi

Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.

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