← all 1990 GMC G15/25 Rally 2WD trims
1990 GMC G15/25 Rally 2WD — 5.7L 8-cyl, Automatic 4-spd, RWD
This 1990 GMC G15/25 Rally 2WD (5.7L 8-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR
13
MPG combined (11 city / 16 hwy)
$4,800
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1990 GMC G15/25 Rally 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.3L 6-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,900 |
| 5.0L 8-cyl, Automatic 4-spd, RWD | REGULAR | 14 | $4,450 |
| 6.2L 8-cyl, Automatic 4-spd, RWD | DIESEL | 17 | $4,600 |
EPA fuel type: Regular · class: Vans · retrieved 2026-06-14.