1990 GMC R1500 fuel economy
The EPA lists 2 versions of the 1990 GMC R1500. Combined fuel economy ranges from 14 to 17 MPG; the most efficient version is rated 15 city / 21 highway.
At a glance
- Combined
- 14 to 17 MPG depending on version
- City and highway
- 15 and 21 most efficient version
- Yearly fuel cost
- $5,650 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 |
|---|---|---|---|---|---|---|
| R1500 Suburban 2WD Automatic 4-spd | 8-cyl 6.2L | Rear-Wheel Drive | 15 | 21 | 17 MPG | $5,650 |
| R1500 Suburban 2WD Automatic 4-spd | 8-cyl 5.7L | Rear-Wheel Drive | 12 | 17 | 14 MPG | $4,800 |
At EPA assumptions, the most efficient version costs about $5,650 per year in fuel, versus $4,800 for the least efficient.
Fuel economy in other model years
- 1991
- 1990