2018 head-to-head · Large Car
2018 Audi A8 vs Jaguar XJ
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2018 Audi A8 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $2,821 for the 2018 Jaguar XJ (21 MPG). That's roughly $128 a year, or about $641 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi A8
- Jaguar XJ
Side by side
| Audi A8 | Jaguar XJ | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,821 |
| 22 MPG | Combined efficiency | 21 MPG |
| 19 MPG | City | 18 MPG |
| 29 MPG | Highway | 27 MPG |
| 107 cu ft | Passenger volume | 102 cu ft |
| 15 cu ft | Cargo volume | 18 cu ft |
| 397 g/mi | Tailpipe CO₂ (g/mi) | 416 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl supercharged | Engine / motor | 3.0L 6-cyl supercharged |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi A8 vs Jaguar XJ across model years
- Audi A8
- Jaguar XJ
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Audi A8 has more passenger space (107 vs. 102 cu ft); the Jaguar XJ has more cargo space (18 vs. 15 cu ft).
Among 31 2018 large cars, the Audi A8 ranks 26th and the Jaguar XJ 27th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi A8 or the 2018 Jaguar XJ?
Measured by cost to drive, the Audi A8. The Audi A8 is rated 22 MPG combined and the Jaguar XJ 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi A8 vs. the Jaguar XJ per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi A8 and $2,821 for the Jaguar XJ.
Which has more cargo space?
The Jaguar XJ, with 18 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Audi A8 vs Jaguar XJ in other years
More 2018 comparisons
Audi A8 vs…
Or compare the 2018 Audi A8 with anything else: