2015 head-to-head · Large Car
2015 Cadillac XTS 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 2015 Cadillac XTS is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $2,214 a year to fuel (21 MPG), versus $2,821 for the 2015 Jaguar XJ (21 MPG). That's roughly $607 a year, or about $3,036 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
- Cadillac XTS
- Jaguar XJ
Side by side
| Cadillac XTS | Jaguar XJ | |
|---|---|---|
| $2,214 | Your annual fuel cost | $2,821 |
| 21 MPG | Combined efficiency | 21 MPG |
| 18 MPG | City | 18 MPG |
| 28 MPG | Highway | 27 MPG |
| 104 cu ft | Passenger volume | 102 cu ft |
| 18 cu ft | Cargo volume | 18 cu ft |
| 419 g/mi | Tailpipe CO₂ (g/mi) | 423 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Flex-fuel |
| Regular gasoline | Fuel | Premium gasoline or E85 |
| 3.6L 6-cyl | Engine / motor | 3.0L 6-cyl supercharged |
| 6-speed automatic | Transmission | 8-speed automatic |
| FWD | 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.
Cadillac XTS vs Jaguar XJ across model years
- Cadillac XTS
- 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
Among 29 2015 large cars, the Cadillac XTS ranks 16th and the Jaguar XJ 23rd for lowest fuel cost.
The powertrains differ: the Cadillac XTS is a conventional gas model, while the Jaguar XJ is a flex-fuel model.
Frequently asked questions
Which is more fuel-efficient, the 2015 Cadillac XTS or the 2015 Jaguar XJ?
Measured by cost to drive, the Cadillac XTS. The Cadillac XTS is rated 21 MPG combined and the Jaguar XJ 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Cadillac XTS vs. the Jaguar XJ per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $2,214 for the Cadillac XTS and $2,821 for the Jaguar XJ.
Cadillac XTS vs Jaguar XJ in other years
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