FuelFacts

← all 1989 GMC C2500 Sierra 2WD trims

1989 GMC C2500 Sierra 2WD — 5.0L 8-cyl, Automatic 3-spd, RWD

This 1989 GMC C2500 Sierra 2WD (5.0L 8-cyl, Automatic 3-spd, RWD) takes regular (87-octane) gasoline. REGULAR

12
MPG combined (12 city / 12 hwy)
$5,200
est. fuel cost / year (EPA, 15k mi)
tailpipe CO₂

Other 1989 GMC C2500 Sierra 2WD trims

TrimFuelMPGFuel/yr
4.3L 6-cyl, 5-spd manual, RWDREGULAR18$3,450
4.3L 6-cyl, Automatic 4-spd, RWDREGULAR17$3,650
4.3L 6-cyl, Automatic 3-spd, RWDREGULAR15$4,150
4.3L 6-cyl, 4-spd manual, RWDREGULAR15$4,150
5.0L 8-cyl, Automatic 4-spd, RWDREGULAR15$4,150
5.0L 8-cyl, 5-spd manual, RWDREGULAR15$4,150
5.7L 8-cyl, Automatic 4-spd, RWDREGULAR15$4,150
5.7L 8-cyl, 4-spd manual, RWDREGULAR14$4,450
5.7L 8-cyl, 5-spd manual, RWDREGULAR13$4,800
6.2L 8-cyl, Automatic 4-spd, RWDDIESEL19$4,100
6.2L 8-cyl, 4-spd manual, RWDDIESEL16$4,900

EPA fuel type: Regular · class: Standard Pickup Trucks · retrieved 2026-06-14.