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GMC Sierra Fuel Economy

EPA-verified MPG for all 119 variants (2018–2026)

64Best MPG
19Avg MPG
119Variants
8Model Years

Sierra by model year — click a row to jump to that year

Year Best MPG Avg MPG Variants
2026 25 MPG 18 MPG 22
2025 64 MPG 21 MPG 17
2024 25 MPG 18 MPG 16
2023 26 MPG 18 MPG 15
2022 26 MPG 18 MPG 14
2021 26 MPG 19 MPG 17
2020 26 MPG 19 MPG 17
2018 19 MPG 19 MPG 1
2026
2WD 3.0L 6-cyl
25MPG combined
23 city · 28 hwy
Diesel $2,250/yr
2026
4WD 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2026
Mud Terrain Tires 4WD 3.0L 6-cyl
23MPG combined
21 city · 24 hwy
Diesel $2,400/yr
2026
2WD 2.7L 4-cyl
20MPG combined
18 city · 21 hwy
Gas $2,200/yr
2026
2WD with Sport Mode 2.7L 4-cyl
19MPG combined
17 city · 21 hwy
Gas $2,300/yr
2026
4WD AT4X 3.0L 6-cyl
19MPG combined
19 city · 20 hwy
Diesel $2,950/yr
2026
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $2,750/yr
2026
2WD with Sport Mode 5.3L 8-cyl
18MPG combined
16 city · 21 hwy
Gas $2,450/yr
2026
4WD 2.7L 4-cyl
18MPG combined
17 city · 20 hwy
Gas $2,450/yr
2026
2WD 5.3L 8-cyl
17MPG combined
16 city · 20 hwy
Gas $2,600/yr
2026
4WD with Sport Mode 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2026
4WD with Sport Mode 2.7L 4-cyl
17MPG combined
17 city · 18 hwy
Gas $2,600/yr
2026
Mud Terrain Tires 4WD 2.7L 4-cyl
17MPG combined
16 city · 17 hwy
Gas $2,600/yr
2026
Mud Terrain Tires 4WD (Flex Fuel) 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2026
4WD 6.2L 8-cyl
16MPG combined
15 city · 19 hwy
Gas $3,600/yr
2026
4WD 5.3L 8-cyl
16MPG combined
15 city · 18 hwy
Gas $2,750/yr
2026
Cab Chassis 2WD 5.3L 8-cyl
16MPG combined
15 city · 18 hwy
Gas $2,750/yr
2026
Mud Terrain Tires 4WD 5.3L 8-cyl
16MPG combined
14 city · 17 hwy
Gas $2,750/yr
2026
Mud Terrain Tires 4WD (Sport Mode) 5.3L 8-cyl
16MPG combined
15 city · 18 hwy
Gas $2,750/yr
2026
4WD AT4X 6.2L 8-cyl
15MPG combined
14 city · 16 hwy
Gas $3,850/yr
2026
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
14 city · 16 hwy
Gas $2,900/yr
2026
Mud Terrain Tires 4WD 6.2L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $3,850/yr
2025
EV
64MPG combined
70 city · 59 hwy
Electric $1,200/yr
2025
2WD 3.0L 6-cyl
26MPG combined
23 city · 29 hwy
Diesel $2,150/yr
2025
4WD 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2025
Mud Terrain Tires 4WD 3.0L 6-cyl
23MPG combined
21 city · 24 hwy
Diesel $2,400/yr
2025
2WD 2.7L 4-cyl
19MPG combined
18 city · 21 hwy
Gas $2,300/yr
2025
4WD AT4X 3.0L 6-cyl
19MPG combined
19 city · 20 hwy
Diesel $2,950/yr
2025
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $2,900/yr
2025
2WD 5.3L 8-cyl
18MPG combined
16 city · 21 hwy
Gas $2,450/yr
2025
4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2025
4WD 2.7L 4-cyl
17MPG combined
17 city · 18 hwy
Gas $2,600/yr
2025
Mud Terrain Tires 4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2025
4WD 6.2L 8-cyl
16MPG combined
15 city · 19 hwy
Gas $3,600/yr
2025
Cab Chassis 2WD 5.3L 8-cyl
16MPG combined
15 city · 18 hwy
Gas $2,750/yr
2025
Mud Terrain Tires 4WD 2.7L 4-cyl
16MPG combined
16 city · 17 hwy
Gas $2,750/yr
2025
4WD AT4X 6.2L 8-cyl
15MPG combined
14 city · 16 hwy
Gas $3,850/yr
2025
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
14 city · 16 hwy
Gas $2,900/yr
2025
Mud Terrain Tires 4WD 6.2L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $3,850/yr
2024
2WD 3.0L 6-cyl
25MPG combined
23 city · 29 hwy
Diesel $2,250/yr
2024
4WD 3.0L 6-cyl
24MPG combined
23 city · 27 hwy
Diesel $2,300/yr
2024
Mud Terrain Tires 4WD 3.0L 6-cyl
22MPG combined
21 city · 23 hwy
Diesel $2,550/yr
2024
2WD 2.7L 4-cyl
20MPG combined
18 city · 22 hwy
Gas $2,200/yr
2024
4WD AT4X 3.0L 6-cyl
19MPG combined
19 city · 20 hwy
Diesel $2,950/yr
2024
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $1,800/yr
2024
2WD 5.3L 8-cyl
18MPG combined
16 city · 20 hwy
Gas $2,450/yr
2024
4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2024
4WD 2.7L 4-cyl
17MPG combined
17 city · 18 hwy
Gas $2,600/yr
2024
Mud Terrain Tires 4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2024
4WD 6.2L 8-cyl
16MPG combined
15 city · 19 hwy
Gas $3,600/yr
2024
Mud Terrain Tires 4WD 2.7L 4-cyl
16MPG combined
16 city · 17 hwy
Gas $2,750/yr
2024
4WD AT4X 6.2L 8-cyl
15MPG combined
14 city · 16 hwy
Gas $3,850/yr
2024
Cab Chassis 2WD 5.3L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $2,900/yr
2024
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $2,900/yr
2024
Mud Terrain Tires 4WD 6.2L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $3,850/yr
2023
2WD 3.0L 6-cyl
26MPG combined
24 city · 29 hwy
Diesel $2,150/yr
2023
4WD 3.0L 6-cyl
24MPG combined
22 city · 27 hwy
Diesel $2,300/yr
2023
Mud Terrain Tires 4WD 3.0L 6-cyl
22MPG combined
21 city · 23 hwy
Diesel $2,550/yr
2023
2WD 2.7L 4-cyl
20MPG combined
19 city · 22 hwy
Gas $2,200/yr
2023
4WD 2.7L 4-cyl
19MPG combined
18 city · 20 hwy
Gas $2,300/yr
2023
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $2,200/yr
2023
2WD 5.3L 8-cyl
18MPG combined
16 city · 20 hwy
Gas $2,450/yr
2023
4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2023
4WD 6.2L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $3,400/yr
2023
Mud Terrain Tires 4WD 5.3L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2023
Mud Terrain Tires 4WD 2.7L 4-cyl
17MPG combined
17 city · 18 hwy
Gas $2,600/yr
2023
Cab Chassis 2WD 5.3L 8-cyl
16MPG combined
15 city · 18 hwy
Gas $2,750/yr
2023
Cab Chassis 4WD 5.3L 8-cyl
16MPG combined
15 city · 17 hwy
Gas $2,750/yr
2023
4WD AT4X 6.2L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $3,850/yr
2023
Mud Terrain Tires 4WD 6.2L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $3,850/yr
2022
2WD 3.0L 6-cyl
26MPG combined
23 city · 30 hwy
Diesel $2,150/yr
2022
4WD 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2022
Mud Terrain Tires 4WD 3.0L 6-cyl
21MPG combined
20 city · 23 hwy
Diesel $2,650/yr
2022
2WD 2.7L 4-cyl
20MPG combined
19 city · 22 hwy
Gas $2,200/yr
2022
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $1,800/yr
2022
2WD 5.3L 8-cyl
18MPG combined
16 city · 21 hwy
Gas $2,450/yr
2022
4WD 2.7L 4-cyl
18MPG combined
17 city · 20 hwy
Gas $2,450/yr
2022
Cab Chassis 2WD 5.3L 8-cyl
17MPG combined
15 city · 18 hwy
Gas $2,600/yr
2022
Mud Terrain Tires 4WD 2.7L 4-cyl
17MPG combined
16 city · 18 hwy
Gas $2,600/yr
2022
4WD 5.3L 8-cyl
16MPG combined
15 city · 19 hwy
Gas $2,750/yr
2022
4WD 6.2L 8-cyl
16MPG combined
14 city · 19 hwy
Gas $3,600/yr
2022
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
13 city · 17 hwy
Gas $2,900/yr
2022
Mud Terrain Tires 4WD 5.3L 8-cyl
15MPG combined
13 city · 17 hwy
Gas $2,900/yr
2022
Mud Terrain Tires 4WD 6.2L 8-cyl
14MPG combined
13 city · 17 hwy
Gas $4,150/yr
2021
2WD 3.0L 6-cyl
26MPG combined
23 city · 30 hwy
Diesel $2,150/yr
2021
4WD 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2021
4WD AT4 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2021
2WD 2.7L 4-cyl
21MPG combined
20 city · 23 hwy
Gas $2,100/yr
2021
4WD 5.3L 8-cyl
19MPG combined
16 city · 22 hwy
Gas $2,300/yr
2021
4WD 2.7L 4-cyl
19MPG combined
18 city · 21 hwy
Gas $2,300/yr
2021
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $1,900/yr
2021
4WD AT4 5.3L 8-cyl
18MPG combined
16 city · 21 hwy
Gas $2,450/yr
2021
2WD 5.3L 8-cyl
17MPG combined
15 city · 21 hwy
Gas $2,600/yr
2021
2WD 4.3L 6-cyl
17MPG combined
16 city · 21 hwy
Gas $2,600/yr
2021
4WD 6.2L 8-cyl
17MPG combined
16 city · 20 hwy
Gas $3,400/yr
2021
4WD 4.3L 6-cyl
17MPG combined
15 city · 20 hwy
Gas $2,600/yr
2021
4WD AT4 6.2L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $3,400/yr
2021
Cab Chassis 2WD 4.3L 6-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2021
Cab Chassis 2WD 5.3L 8-cyl
15MPG combined
14 city · 18 hwy
Gas $2,900/yr
2021
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $2,900/yr
2021
Cab Chassis 4WD 4.3L 6-cyl
15MPG combined
14 city · 16 hwy
Gas $2,900/yr
2020
2WD 3.0L 6-cyl
26MPG combined
23 city · 30 hwy
Diesel $2,150/yr
2020
4WD 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2020
4WD AT4 3.0L 6-cyl
24MPG combined
22 city · 26 hwy
Diesel $2,300/yr
2020
2WD 2.7L 4-cyl
20MPG combined
19 city · 22 hwy
Gas $2,200/yr
2020
4WD 2.7L 4-cyl
20MPG combined
19 city · 22 hwy
Gas $2,200/yr
2020
4WD 5.3L 8-cyl
19MPG combined
16 city · 22 hwy
Gas $2,300/yr
2020
1500 5.3L V8 Crew Cab
18MPG combined
16 city · 20 hwy
Gas $2,200/yr
2020
4WD AT4 5.3L 8-cyl
18MPG combined
16 city · 21 hwy
Gas $2,450/yr
2020
2WD 4.3L 6-cyl
17MPG combined
16 city · 21 hwy
Gas $2,600/yr
2020
2WD 5.3L 8-cyl
17MPG combined
15 city · 21 hwy
Gas $2,600/yr
2020
4WD 6.2L 8-cyl
17MPG combined
15 city · 20 hwy
Gas $3,400/yr
2020
4WD 4.3L 6-cyl
17MPG combined
15 city · 20 hwy
Gas $2,600/yr
2020
4WD AT4 6.2L 8-cyl
17MPG combined
15 city · 19 hwy
Gas $3,400/yr
2020
Cab Chassis 2WD 4.3L 6-cyl
17MPG combined
15 city · 19 hwy
Gas $2,600/yr
2020
Cab Chassis 2WD 5.3L 8-cyl
15MPG combined
14 city · 18 hwy
Gas $2,900/yr
2020
Cab Chassis 4WD 4.3L 6-cyl
15MPG combined
14 city · 16 hwy
Gas $2,900/yr
2020
Cab Chassis 4WD 5.3L 8-cyl
15MPG combined
14 city · 17 hwy
Gas $2,900/yr
2018
1500 Crew Cab
19MPG combined
17 city · 23 hwy
Gas —/yr