- Newest year: 2009
- Gas
- Large cars
2004-2009 Jaguar XJ MPG & Fuel Cost
6 model years · 19 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 large car configurations, MY2009. Ranked against all rated configurations, not sales-weighted.
2004-2009 Jaguar XJ at a glance
The 2004-2009 Jaguar XJ covers 6 model years in the EPA database (11 configurations in all), rated 19 MPG combined. The newest model year, 2009, costs about $4,230 a year to fuel for its most efficient version, the XJ 4.2L 8-cyl RWD (19 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2005, 2006 and 2009; 2007 and 2008 repeat the values of the year before.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2004-2009 Jaguar XJ by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2009 | Gas | 19 MPG | $4,230 | Ratings changed |
| 2008 | Gas | 19 MPG | $4,230 | Same EPA ratings as 2007 |
| 2007 | Gas | 19 MPG | $4,230 | Same EPA ratings as 2006 |
| 2006 | Gas | 19 MPG | $4,230 | Ratings changed |
| 2005 | Gas | 19 MPG | $4,230 | Ratings changed |
| 2004 | Gas | 19 MPG | $4,230 | First year |
What the 2009 XJ 4.2L 8-cyl RWD costs to drive
Per month
$353
$4,230 a year ÷ 12
Per 25 miles
$7.05
Per 100 miles
$28.20
Five years
$21,150
5 × the yearly cost, prices held at today's level
vs the large car median
$600more a year
Class median $3,630 a year, MY2009
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2009 Jaguar XJ MPG
Versus 2008: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XJ (Most efficient) | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
| XJ8L | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2008 Jaguar XJ MPG
Same EPA ratings as 2007
EPA lists the same ratings for the 2008 Jaguar XJ as for the 2007 model, so the configurations and costs are the ones in the 2007 section above.See 2007
2007 Jaguar XJ MPG
Same EPA ratings as 2006
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2007 Jaguar XJ as for the 2006 model, so the configurations and costs are the ones in the 2006 section above.See 2006
2006 Jaguar XJ MPG
19 MPG · $4,230/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2005: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XJ8 (Most efficient) | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
| XJ8L | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2005 Jaguar XJ MPG
19 MPG · $4,230/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2004: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XJ8 4.2 Litre (Most efficient) | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
| XJ8l | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2004 Jaguar XJ MPG
19 MPG · $4,230/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XJ8 4.2 Litre (Most efficient) | 4.2L 8-cyl | RWD | 16 | 25 | 19 | $4,230 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the XJ 4.2L 8-cyl RWD: $5,040 in California and $3,670 in Texas, a $1,370 difference.
- California $5,040
- Washington $4,740
- New York $4,180
- Florida $3,860
- Texas $3,670
Similar cars
Closest combined MPG among MY2009 large car models.
Generations
- 2000-2003 (X308)
- 2004-2009
- 2010-2019 (X351)
Frequently asked questions
What gas mileage does the 2004-2009 Jaguar XJ get?
EPA rates the 2004-2009 Jaguar XJ at 19 MPG combined across 11 configurations and 6 model years. The most efficient version, the 2009 XJ 4.2L 8-cyl RWD, is rated 19 MPG (16 city, 25 highway).
Which years had the best MPG in the 2004-2009 Jaguar XJ?
Every model year of the 2004-2009 Jaguar XJ tops out at 19 MPG combined, so no year is better than another.
Did EPA ratings change during the 2004-2009 Jaguar XJ?
Yes. Ratings changed in 2005, 2006 and 2009. In 2007 and 2008 the values repeat the year before.
How does the 2004-2009 Jaguar XJ compare with the previous generation?
The previous generation (2000-2003 Jaguar XJ) is rated 18 MPG combined and costs $4,460 a year to fuel; the 2004-2009 model is rated 19 MPG and costs $4,230 a year.
How much does it cost to fuel a 2009 Jaguar XJ per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the XJ 4.2L 8-cyl RWD costs about $4,230 a year. Across all 2 configurations the cost runs $4,230 a year.
How much does it cost to drive a 2009 Jaguar XJ 100 miles?
About $28.20 per 100 miles for the XJ 4.2L 8-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2009 Jaguar XJ more efficient in the city or on the highway?
The XJ 4.2L 8-cyl RWD is rated 16 city and 25 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2009 Jaguar XJ compare with other large car configurations?
The XJ 4.2L 8-cyl RWD costs about $4,230 a year to fuel, $600 more than the class median of $3,630, and less than 4 of 10 large car configurations. The comparison covers all 72 rated large car configurations for MY2009, not weighted by sales.
Is the 2009 Jaguar XJ different from the 2008 model?
The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230. EPA lists 2 configurations for 2009 against 2 configurations for 2008. See the 2008 Jaguar XJ for that year.