2018 head-to-head · Large Car
2018 Jaguar XJ vs Mercedes-Benz S-Class
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 Mercedes-Benz S-Class 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
- Jaguar XJ
- Mercedes-Benz S-Class
Side by side
| Jaguar XJ | Mercedes-Benz S-Class | |
|---|---|---|
| $2,821 | Your annual fuel cost | $2,693 |
| 21 MPG | Combined efficiency | 22 MPG |
| 18 MPG | City | 19 MPG |
| 27 MPG | Highway | 28 MPG |
| 102 cu ft | Passenger volume | 112 cu ft |
| 18 cu ft | Cargo volume | 12 cu ft |
| 416 g/mi | Tailpipe CO₂ (g/mi) | 403 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 turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| RWD | 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.
Jaguar XJ vs Mercedes-Benz S-Class across model years
- Jaguar XJ
- Mercedes-Benz S-Class
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 Mercedes-Benz S-Class has more passenger space (112 vs. 102 cu ft); the Jaguar XJ has more cargo space (18 vs. 12 cu ft).
Among 31 2018 large cars, the Jaguar XJ ranks 27th and the Mercedes-Benz S-Class 25th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Jaguar XJ or the 2018 Mercedes-Benz S-Class?
Measured by cost to drive, the Mercedes-Benz S-Class. The Jaguar XJ is rated 21 MPG combined and the Mercedes-Benz S-Class 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Jaguar XJ vs. the Mercedes-Benz S-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Jaguar XJ and $2,693 for the Mercedes-Benz S-Class.
Which has more cargo space?
The Jaguar XJ, with 18 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Jaguar XJ vs Mercedes-Benz S-Class in other years
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