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2010 Jaguar XK Portfolio Automatic 5.0 (X150)
Shown: 2010 Jaguar XK Portfolio Automatic 5.0 (X150). Photo: Vauxford, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Small cars
  • MY2007–2015

Jaguar XK MPG & Fuel Cost by Year

9 model years · 2007–2015

19 MPG
Combined
16 MPG
City
24 MPG
Highway
Annual cost · MY2015 XK 5.0L 8-cyl RWD
$4,320

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Jaguar models

Jaguar XK fuel economy at a glance

EPA has rated the Jaguar XK for 9 model years, 2007 to 2015. Across those years its combined rating runs 17–19 MPG. The latest model year, 2015, has 4 configurations rated 17–19 MPG combined and costing $4,320–$4,640 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2007 is the 2015 XK 5.0L 8-cyl RWD, at 19 MPG.

Jaguar XK MPG by year

161820 20072015 Gas 161820 20072015 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Jaguar XK: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2007-2015 (X150) Generation page
2015 17–19 $4,320–$4,640
2014 17–19 $4,320–$4,640
2013 17–19 $4,320–$4,640
2012 17–19 $4,320–$4,610
2011 17–19 $4,320–$4,610
2010 17–19 $4,230–$4,730
2009 19 $4,230
2008 19 $4,230
2007 19 $4,230

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 XK generations

1 generations between 2007 and 2015. Open one for the table of every model year and configuration.

2015 powertrain options

Gas · 5.0L
Combined
17–19 MPG
Per year
$4,320–$4,640
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Jaguar XK's gas mileage by year?

EPA combined ratings for the Jaguar XK run 17–19 MPG across model years 2007 to 2015. The latest year, 2015, is rated 17–19 MPG.

Which Jaguar XK model year has the best gas mileage?

The 2015 Jaguar XK XK 5.0L 8-cyl RWD has the highest combined rating since 2007, at 19 MPG.

How much does a Jaguar XK cost to fuel per year?

For MY2015, EPA-rated configurations cost $4,320–$4,640 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,320.

Has the Jaguar XK's fuel economy improved over time?

Not much. The most efficient configuration is rated 19 MPG in both 2007 and 2015.

Which Jaguar XK model years have the same ratings?

EPA lists identical ratings as the previous year for 2008, 2009, 2012. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.