← all 1999 GMC Sonoma 2WD trims
1999 GMC Sonoma 2WD — 4.3L 6-cyl, Automatic 4-spd, RWD
This 1999 GMC Sonoma 2WD (4.3L 6-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR
17
MPG combined (15 city / 20 hwy)
$3,650
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1999 GMC Sonoma 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.2L 4-cyl, 5-spd manual, RWD | REGULAR | 23 | $2,700 |
| 2.2L 4-cyl, Automatic 4-spd, RWD | REGULAR | 19 | $3,300 |
| 4.3L 6-cyl, 5-spd manual, RWD | REGULAR | 18 | $3,450 |
EPA fuel type: Regular · class: Small Pickup Trucks 2WD · retrieved 2026-06-14.