- Gas
- Small cars
- MY2000–2006
Jaguar XK8 MPG & Fuel Cost by Year
7 model years · 2000–2006
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Jaguar XK8 fuel economy at a glance
EPA has rated the Jaguar XK8 for 7 model years, 2000 to 2006. Across those years its combined rating runs 18–19 MPG. The latest model year, 2006, has 2 configurations rated 19 MPG combined and costing $4,230 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2006 Convertible 4.2L 8-cyl RWD, at 19 MPG. EPA ratings go back to 1984: the earliest rating on this page is 18 MPG in 1998.
Jaguar XK8 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2006 (X150) Generation page | ||
| 2006 | 19 | $4,230 |
| 2000-2005 (X100) Generation page | ||
| 2005 | 19 | $4,230 |
| 2004 | 19 | $4,230 |
| 2003 | 19 | $4,230 |
| 2002 | 18 | $4,460 |
| 2001 | 18 | $4,460 |
| 2000 | 18 | $4,460 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Jaguar XK8 generations
2 generations between 2000 and 2006. Open one for the table of every model year and configuration.
2006 powertrain options
Jaguar XK8 MPG history, 1998–1999
| Year | Gas (MPG) |
|---|---|
| 1999 | 17–18 |
| 1998 | 18 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Jaguar models
Frequently asked questions
What is the Jaguar XK8's gas mileage by year?
EPA combined ratings for the Jaguar XK8 run 18–19 MPG across model years 2000 to 2006. The latest year, 2006, is rated 19 MPG.
Which Jaguar XK8 model year has the best gas mileage?
The 2006 Jaguar XK8 Convertible 4.2L 8-cyl RWD has the highest combined rating since 2000, at 19 MPG.
How much does a Jaguar XK8 cost to fuel per year?
For MY2006, EPA-rated configurations cost $4,230 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,230.
Has the Jaguar XK8's fuel economy improved over time?
Yes. The most efficient configuration moved from 18 MPG in 2000 to 19 MPG in 2006, 1 MPG more. Going back further, the best rating in 1984 was 18 MPG.
Which Jaguar XK8 model years have the same ratings?
EPA lists identical ratings as the previous year for 2002, 2004, 2005, 2006. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.