1990 GMC Sierra 1500 fuel economy
The EPA lists 23 versions of the 1990 GMC Sierra 1500. Combined fuel economy ranges from 12 to 18 MPG; the most efficient version is rated 16 city / 22 highway.
At a glance
- Combined
- 12 to 18 MPG depending on version
- City and highway
- 16 and 22 most efficient version
- Yearly fuel cost
- $3,700 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 1500 2WD Manual 5-spd | 6-cyl 4.3L | Rear-Wheel Drive | 16 | 22 | 18 MPG | $3,700 |
| Sierra 1500 2WD Automatic 4-spd | 8-cyl 6.2L | Rear-Wheel Drive | 16 | 22 | 18 MPG | $5,300 |
| Sierra 1500 2WD Manual 4-spd | 8-cyl 6.2L | Rear-Wheel Drive | 17 | 20 | 18 MPG | $5,300 |
| Sierra 1500 2WD Automatic 3-spd | 6-cyl 4.3L | Rear-Wheel Drive | 16 | 19 | 17 MPG | $3,950 |
| Sierra 1500 2WD Manual 4-spd | 6-cyl 4.3L | Rear-Wheel Drive | 16 | 19 | 17 MPG | $3,950 |
| Sierra 1500 4WD Automatic 4-spd | 6-cyl 4.3L | 4-Wheel or All-Wheel Drive | 15 | 18 | 16 MPG | $4,200 |
| Sierra 1500 4WD Manual 5-spd | 6-cyl 4.3L | 4-Wheel or All-Wheel Drive | 15 | 19 | 16 MPG | $4,200 |
| Sierra 1500 4WD Automatic 4-spd | 8-cyl 6.2L | 4-Wheel or All-Wheel Drive | 15 | 20 | 16 MPG | $6,000 |
| Sierra 1500 4WD Manual 4-spd | 8-cyl 6.2L | 4-Wheel or All-Wheel Drive | 15 | 17 | 16 MPG | $6,000 |
| Sierra 1500 2WD Automatic 4-spd | 8-cyl 5.0L | Rear-Wheel Drive | 14 | 18 | 15 MPG | $4,450 |
| Sierra 1500 2WD Manual 5-spd | 8-cyl 5.0L | Rear-Wheel Drive | 14 | 19 | 15 MPG | $4,450 |
| Sierra 1500 2WD Automatic 4-spd | 8-cyl 5.7L | Rear-Wheel Drive | 14 | 18 | 15 MPG | $4,450 |
| Sierra 1500 4WD Automatic 3-spd | 6-cyl 4.3L | 4-Wheel or All-Wheel Drive | 14 | 16 | 15 MPG | $4,450 |
| Sierra 1500 4WD Manual 4-spd | 6-cyl 4.3L | 4-Wheel or All-Wheel Drive | 14 | 16 | 15 MPG | $4,450 |
| Sierra 1500 2WD Automatic 3-spd | 8-cyl 5.0L | Rear-Wheel Drive | 14 | 15 | 14 MPG | $4,800 |
| Sierra 1500 2WD Manual 5-spd | 8-cyl 5.7L | Rear-Wheel Drive | 12 | 17 | 14 MPG | $4,800 |
| Sierra 1500 4WD Automatic 4-spd | 8-cyl 5.0L | 4-Wheel or All-Wheel Drive | 13 | 17 | 14 MPG | $4,800 |
| Sierra 1500 4WD Manual 5-spd | 8-cyl 5.0L | 4-Wheel or All-Wheel Drive | 12 | 17 | 14 MPG | $4,800 |
| Sierra 1500 4WD Automatic 3-spd | 8-cyl 5.0L | 4-Wheel or All-Wheel Drive | 12 | 14 | 13 MPG | $5,150 |
| Sierra 1500 4WD Automatic 4-spd | 8-cyl 5.7L | 4-Wheel or All-Wheel Drive | 12 | 16 | 13 MPG | $5,150 |
| Sierra 1500 4WD Manual 5-spd | 8-cyl 5.7L | 4-Wheel or All-Wheel Drive | 11 | 16 | 13 MPG | $5,150 |
| Sierra 1500 2WD Manual 4-spd | 8-cyl 5.7L | Rear-Wheel Drive | 11 | 13 | 12 MPG | $5,600 |
| Sierra 1500 4WD Manual 4-spd | 8-cyl 5.7L | 4-Wheel or All-Wheel Drive | 11 | 13 | 12 MPG | $5,600 |
At EPA assumptions, the most efficient version costs about $3,700 per year in fuel, versus $5,600 for the least efficient.