2019 GMC Sierra fuel economy
The EPA lists 22 versions of the 2019 GMC Sierra. Combined fuel economy ranges from 15 to 21 MPG; the most efficient version is rated 20 city / 23 highway.
At a glance
- Combined
- 15 to 21 MPG depending on version
- City and highway
- 20 and 23 most efficient version
- Yearly fuel cost
- $3,200 EPA estimate, most efficient version
Source: U.S. EPA fueleconomy.gov
Every version the EPA tested
| Version | Engine | Drive | City | Highway | Combined | Yearly fuel cost |
|---|---|---|---|---|---|---|
| Sierra C10 2WD Automatic 8-spd | 4-cyl 2.7L | Rear-Wheel Drive | 20 | 23 | 21 MPG | $3,200 |
| Sierra C10 2WD Automatic 8-spd | 4-cyl 2.7L | Rear-Wheel Drive | 19 | 22 | 20 MPG | $3,350 |
| Sierra K10 4WD Automatic 8-spd | 4-cyl 2.7L | 4-Wheel Drive | 19 | 22 | 20 MPG | $3,350 |
| Sierra C10 2WD Automatic 8-spd | 8-cyl 5.3L | Rear-Wheel Drive | 17 | 23 | 19 MPG | $3,550 |
| Sierra C10 XFE 2WD Automatic 8-spd | 8-cyl 5.3L | Rear-Wheel Drive | 17 | 24 | 19 MPG | $3,550 |
| Sierra K10 4WD Automatic 8-spd | 4-cyl 2.7L | 4-Wheel Drive | 18 | 20 | 19 MPG | $3,550 |
| Sierra C10 2WD Automatic 6-spd | 8-cyl 5.3L | Rear-Wheel Drive | 15 | 21 | 17 MPG | $3,950 |
| Sierra C10 2WD Automatic 6-spd | 6-cyl 4.3L | Rear-Wheel Drive | 16 | 21 | 17 MPG | $3,950 |
| Sierra C10 2WD Automatic 6-spd | 8-cyl 5.3L FFV | Rear-Wheel Drive | 15 | 20 | 17 MPG | $3,950 |
| Sierra C10 Cab Chassis 2WD Automatic 6-spd | 6-cyl 4.3L | Rear-Wheel Drive | 15 | 19 | 17 MPG | $3,950 |
| Sierra K10 4WD Automatic 8-spd | 8-cyl 5.3L | 4-Wheel Drive | 15 | 21 | 17 MPG | $3,950 |
| Sierra K10 4WD Automatic 10-spd | 8-cyl 6.2L | 4-Wheel Drive | 15 | 20 | 17 MPG | $4,850 |
| Sierra K10 4WD Automatic 6-spd | 8-cyl 5.3L | 4-Wheel Drive | 15 | 20 | 17 MPG | $3,950 |
| Sierra K10 4WD Automatic 6-spd | 6-cyl 4.3L | 4-Wheel Drive | 15 | 20 | 17 MPG | $3,950 |
| Sierra K10 4WD AT4 Automatic 10-spd | 8-cyl 6.2L | 4-Wheel Drive | 15 | 19 | 17 MPG | $4,850 |
| Sierra K10 4WD AT4 Automatic 8-spd | 8-cyl 5.3L | 4-Wheel Drive | 15 | 20 | 17 MPG | $3,950 |
| Sierra LTD C15 2WD Automatic 6-spd | 8-cyl 5.3L | Rear-Wheel Drive | 15 | 22 | 17 MPG | $3,950 |
| Sierra LTD K15 4WD Automatic 6-spd | 8-cyl 5.3L | 4-Wheel Drive | 15 | 21 | 17 MPG | $3,950 |
| Sierra C10 Cab Chassis 2WD Automatic 6-spd | 8-cyl 5.3L | Rear-Wheel Drive | 14 | 19 | 16 MPG | $4,200 |
| Sierra K10 4WD Automatic 6-spd | 8-cyl 5.3L FFV | 4-Wheel Drive | 15 | 19 | 16 MPG | $4,200 |
| Sierra K10 Cab Chassis 4WD Automatic 6-spd | 8-cyl 5.3L | 4-Wheel Drive | 14 | 17 | 15 MPG | $4,450 |
| Sierra K10 Cab Chassis 4WD Automatic 6-spd | 6-cyl 4.3L | 4-Wheel Drive | 14 | 17 | 15 MPG | $4,450 |
At EPA assumptions, the most efficient version costs about $3,200 per year in fuel, versus $4,450 for the least efficient.