← all 1988 GMC S15 Cab Chassis 2WD trims
1988 GMC S15 Cab Chassis 2WD — 2.8L 6-cyl, 4-spd manual, RWD
This 1988 GMC S15 Cab Chassis 2WD (2.8L 6-cyl, 4-spd manual, RWD) takes regular (87-octane) gasoline. REGULAR
14
MPG combined (14 city / 14 hwy)
$4,450
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1988 GMC S15 Cab Chassis 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.8L 6-cyl, Automatic 4-spd, RWD | REGULAR | 14 | $4,450 |
EPA fuel type: Regular · class: Special Purpose Vehicle 2WD · retrieved 2026-06-14.