← all 1990 GMC R1500 Suburban 2WD trims
1990 GMC R1500 Suburban 2WD — 6.2L 8-cyl, Automatic 4-spd, RWD
This 1990 GMC R1500 Suburban 2WD (6.2L 8-cyl, Automatic 4-spd, RWD) runs on diesel. DIESEL
17
MPG combined (15 city / 21 hwy)
$4,600
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1990 GMC R1500 Suburban 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.7L 8-cyl, Automatic 4-spd, RWD | REGULAR | 14 | $4,450 |
EPA fuel type: Diesel · class: Special Purpose Vehicle 2WD · retrieved 2026-06-14.