← all 1998 GMC Sierra 2500 2WD trims
1998 GMC Sierra 2500 2WD — 6.5L 8-cyl, Automatic 4-spd, RWD
This 1998 GMC Sierra 2500 2WD (6.5L 8-cyl, Automatic 4-spd, RWD) runs on diesel. DIESEL
15
MPG combined (13 city / 17 hwy)
$5,200
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1998 GMC Sierra 2500 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.0L 8-cyl, Automatic 4-spd, RWD | REGULAR | 15 | $4,150 |
| 5.0L 8-cyl, 5-spd manual, RWD | REGULAR | 15 | $4,150 |
| 5.7L 8-cyl, Automatic 4-spd, RWD | REGULAR | 14 | $4,450 |
| 5.7L 8-cyl, 5-spd manual, RWD | REGULAR | 14 | $4,450 |
EPA fuel type: Diesel · class: Standard Pickup Trucks 2WD · retrieved 2026-06-14.