2021 GMC Sierra 1500 range per tank
Combined range, 2WD Reg Cab 140"
476 miles per tank
- Tank
- 28 gal
- 17 mpg combined
- Highway range
- 588 miles
- City range
- 448 miles
- Fill-up
- $122
- Every trim
- 384 to 576 miles
- 29 of 33 trims rated
- Class rank
- Top 24%
- 13 trucks (2021)
Gas $4.35 (EIA, week of Oct 5, 2026).
Miles per tank by trim
Source marks: two or more sources agreeone source
| Trim | Engine | Tank, gal | City mpg | Hwy mpg | Combined mpg | City, mi | Hwy, mi | Combined, mi | Fill-up |
|---|---|---|---|---|---|---|---|---|---|
| AT4 Crew Cab LB 4WD | 3.0L 6cyl | 24.0 | 22 | 26 | 24 | 528 | 624 | 576 | $104 |
| SLE Double Cab RWD | 2.7L | 24.0 | 20 | 23 | 21 | 480 | 552 | 504 | $104 |
| Elevation Double Cab RWD | 2.7L | 24.0 | 20 | 23 | 21 | 480 | 552 | 504 | $104 |
| SLE Crew Cab RWD | 2.7L | 24.0 | 20 | 23 | 21 | 480 | 552 | 504 | $104 |
| Elevation Crew Cab RWD | 2.7L | 24.0 | 20 | 23 | 21 | 480 | 552 | 504 | $104 |
| 2WD Reg Cab 140" | 4.3L 6cyl | 28.0 | 16 | 21 | 17 | 448 | 588 | 476 | $122 |
| 4WD Reg Cab 140" | 4.3L | 28.0 | 15 | 20 | 17 | 420 | 560 | 476 | $122 |
| 4WD Double Cab 147" Elevation w/3VL | 2.7L | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| SLE Double Cab 4WD | 2.7L | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| 4WD Double Cab 147" Elevation w/3SB | 2.7L 4cyl | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| SLE Crew Cab 4WD | 2.7L 4cyl | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| 4WD Crew Cab 147" Elevation w/3VL | 2.7L | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| SLE Crew Cab LB 4WD | 2.7L 4cyl | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| 4WD Crew Cab 147" Elevation w/3SB | 2.7L 4cyl | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| Elevation Crew Cab 4WD | 2.7L 4cyl | 24.0 | 18 | 20 | 19 | 432 | 480 | 456 | $104 |
| Elevation Crew Cab LB 4WD | 2.7L 4cyl | 24.0 | 18 | 21 | 19 | 432 | 504 | 456 | $104 |
| Denali Crew Cab 4WD | 5.3L 8cyl | 24.0 | 16 | 22 | 19 | 384 | 528 | 456 | $104 |
| Denali Crew Cab LB 4WD | 5.3L 8cyl | 24.0 | 16 | 22 | 19 | 384 | 528 | 456 | $104 |
| AT4 Crew Cab 4WD | 5.3L 8cyl | 24.0 | 16 | 21 | 18 | 384 | 504 | 432 | $104 |
| Double Cab RWD | 4.3L | 24.0 | 16 | 21 | 17 | 384 | 504 | 408 | $104 |
| Crew Cab RWD | 4.3L | 24.0 | 16 | 21 | 17 | 384 | 504 | 408 | $104 |
| Double Cab 4WD | 4.3L | 24.0 | 15 | 20 | 17 | 360 | 480 | 408 | $104 |
| Crew Cab 4WD | 4.3L | 24.0 | 15 | 20 | 17 | 360 | 480 | 408 | $104 |
| Crew Cab LB 4WD | 4.3L | 24.0 | 15 | 20 | 17 | 360 | 480 | 408 | $104 |
| SLT Crew Cab RWD | 5.3L | 24.0 | 15 | 22 | 17 | 360 | 528 | 408 | $104 |
| Denali Crew Cab RWD | 5.3L | 24.0 | 15 | 22 | 17 | 360 | 528 | 408 | $104 |
| Elevation Double Cab 4WD | 5.3L 8cyl | 24.0 | 14 | 20 | 16 | 336 | 480 | 384 | $104 |
| SLT Crew Cab 4WD | 5.3L 8cyl | 24.0 | 14 | 20 | 16 | 336 | 480 | 384 | $104 |
| SLT Crew Cab LB 4WD | 5.3L 8cyl | 24.0 | 14 | 20 | 16 | 336 | 480 | 384 | $104 |
Rivals
| Car | Cheapest trim | Range |
|---|---|---|
| 2021 GMC Sierra 1500 | 2WD Reg Cab 140" | 476 miles per tank |
| 2021 Ford F-150 | XL 2WD Reg Cab 6.5' Box | 483 miles per tank |
| 2021 Chevrolet Silverado 1500 | 2WD Reg Cab 140" Work Truck | 481 miles per tank |
| 2021 RAM 1500 | Classic Express 4x2 Reg Cab 6'4" Box | 442 miles per tank |
| 2021 GMC Canyon | Elevation Standard Extended Cab RWD | 462 miles per tank |
| 2021 Toyota Tundra | SR Double Cab RWD | 396 miles per tank |
| 2021 Nissan Frontier | S King Cab RWD | 422 miles per tank |
What this cannot tell you
EPA ratings. Real range differs.
Tank size from maker specs. Usable volume is less.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ
Gas price: U.S. Energy Information Administration, U.S. regular, week of Oct 5, 2026. EIA weekly prices