← all 1986 GMC K15 Suburban 4WD trims
1986 GMC K15 Suburban 4WD — 5.7L 8-cyl, Automatic 4-spd, AWD
This 1986 GMC K15 Suburban 4WD (5.7L 8-cyl, Automatic 4-spd, AWD) takes regular (87-octane) gasoline. REGULAR
12
MPG combined (10 city / 15 hwy)
$5,200
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1986 GMC K15 Suburban 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.7L 8-cyl, Automatic 4-spd, AWD | REGULAR | 12 | $5,200 |
| 5.7L 8-cyl, 4-spd manual, AWD | REGULAR | 11 | $5,650 |
| 6.2L 8-cyl, Automatic 4-spd, AWD | DIESEL | 16 | $4,900 |
EPA fuel type: Regular · class: Special Purpose Vehicles · retrieved 2026-06-14.