← all 2018 GMC Yukon K1500 XL 4WD trims
2018 GMC Yukon K1500 XL 4WD — 5.3L 8-cyl, Automatic 6-spd, 4WD
This 2018 GMC Yukon K1500 XL 4WD (5.3L 8-cyl, Automatic 6-spd, 4WD) takes regular (87-octane) gasoline. REGULAR
18
MPG combined (15 city / 22 hwy)
$3,450
est. fuel cost / year (EPA, 15k mi)
504 g/mi
tailpipe CO₂
Other 2018 GMC Yukon K1500 XL 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.3L 8-cyl, Automatic 6-spd, 4WD | FLEX-FUEL | 18 | $3,450 |
| 6.2L 8-cyl, Automatic 10-spd, 4WD | PREMIUM | 16 | $4,800 |
EPA fuel type: Regular · class: Standard Sport Utility Vehicle 4WD · retrieved 2026-06-14.