← all 2015 Jaguar XJ FFV trims
2015 Jaguar XJ FFV — 5.0L 8-cyl, S8 automatic, RWD
This 2015 Jaguar XJ FFV (5.0L 8-cyl, S8 automatic, RWD) takes premium gasoline. PREMIUM
18
MPG combined (15 city / 23 hwy)
$4,300
est. fuel cost / year (EPA, 15k mi)
503 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2015 Jaguar XJ FFV trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.0L 6-cyl, S8 automatic, RWD | PREMIUM | 21 | $3,650 |
EPA fuel type: Premium or E85 · class: Large Cars · retrieved 2026-06-14.