← all 2015 Cadillac XTS AWD trims
2015 Cadillac XTS AWD — 3.6L 6-cyl, S6 automatic, AWD
This 2015 Cadillac XTS AWD (3.6L 6-cyl, S6 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (17 city / 26 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
438 g/mi
tailpipe CO₂
Other 2015 Cadillac XTS AWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.6L 6-cyl, S6 automatic, AWD | REGULAR | 19 | $3,300 |
EPA fuel type: Regular · class: Large Cars · retrieved 2026-06-14.