2018 GMC Sierra 1500 MPG
- 15–18 mpg
- City MPG
- 21–24 mpg
- Highway MPG
- 18 mpg
- Estimated combined
- 26.0–34.0 gal
- Fuel tank
- 816 mi
- Est. highway range
- Lowest stored city MPG15 mpg — 2 configurations tie for lowest
- Best stored city MPG18 mpg — 8 configurations tie for highest
- Lowest stored highway MPG21 mpg — 2 configurations tie for lowest
- Best stored highway MPG24 mpg — 8 configurations tie for highest
- SpreadThe largest stored highway-MPG difference across configurations is 3 MPG. City MPG differs by up to 3 MPG.
Estimated from catalog valuesEstimated highway range from catalog MPG × tank.
Estimated range
Estimated from catalog MPG × tank capacity for the highest catalog MPG this year. Not a guaranteed real-world driving range. Combined MPG is 55% city / 45% highway — this catalog has no combined column.
City range
612 mi
Highway range
816 mi
Combined range
704 mi
Tank
34.0 gal
Trip fuel
Compare configurations
| Configuration | City | Highway | Tank | Engine |
|---|---|---|---|---|
| Denali 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| Denali 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | 15 mpg | 21 mpg | 26.0 gal | 5.3 liters V-8 |
| Denali 4x4 Crew Cab 6.5 ft. box 153 in. WB | 15 mpg | 21 mpg | 26.0 gal | 5.3 liters V-8 |
| Base 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x4 Double Cab 6.6 ft. box 143.5 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x4 Regular Cab 6.6 ft. box 119 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x4 Regular Cab 8 ft. box 133 in. WB | 17 mpg | 22 mpg | 34.0 gal | 4.3 liters V-6 |
| SLE 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x4 Double Cab 6.6 ft. box 143.5 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x4 Regular Cab 6.6 ft. box 119 in. WB | 17 mpg | 22 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x4 Regular Cab 8 ft. box 133 in. WB | 17 mpg | 22 mpg | 34.0 gal | 4.3 liters V-6 |
| Base 4x2 Regular Cab 6.6 ft. box 119 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x4 Crew Cab 6.5 ft. box 153 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| SLE 4x2 Regular Cab 6.6 ft. box 119 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x4 Crew Cab 6.5 ft. box 153 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| SLT 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | 16 mpg | 23 mpg | 26.0 gal | 5.3 liters V-8 |
| SLT 4x2 Double Cab 6.6 ft. box 143.5 in. WB | 16 mpg | 23 mpg | 26.0 gal | 5.3 liters V-8 |
| SLT 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| SLT 4x4 Crew Cab 6.5 ft. box 153 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| SLT 4x4 Double Cab 6.6 ft. box 143.5 in. WB | 16 mpg | 22 mpg | 26.0 gal | 5.3 liters V-8 |
| Base 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x2 Double Cab 6.6 ft. box 143.5 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| Base 4x2 Regular Cab 8 ft. box 133 in. WB | 18 mpg | 24 mpg | 34.0 gal | 4.3 liters V-6 |
| SLE 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x2 Double Cab 6.6 ft. box 143.5 in. WB | 18 mpg | 24 mpg | 26.0 gal | 4.3 liters V-6 |
| SLE 4x2 Regular Cab 8 ft. box 133 in. WB | 18 mpg | 24 mpg | 34.0 gal | 4.3 liters V-6 |
Compare two configurations
Questions
- Which 2018 GMC Sierra 1500 configuration has the best stored highway MPG?
- 24 mpg — 8 configurations tie for highest
- What is the estimated highway range?
- About 816 miles from the highest stored highway MPG × tank capacity.
Estimated from catalog MPG × tank capacity. Combined MPG is 55% city / 45% highway because this extract has no combined column.