- Newest year: 2009
- Gas
- Two-seaters
- Same as 2008
2004-2009 Cadillac XLR MPG & Fuel Cost
6 model years · 18 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 two-seater configurations, MY2009. Ranked against all rated configurations, not sales-weighted.
2004-2009 Cadillac XLR at a glance
The 2004-2009 Cadillac XLR covers 6 model years in the EPA database (6 configurations in all), rated 18 MPG combined. The newest model year, 2009, costs about $4,460 a year to fuel for its most efficient version, the XLR 4.6L 8-cyl RWD (18 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2005 and 2007; 2006, 2008 and 2009 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 Cadillac XLR by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2009 | Gas | 18 MPG | $4,460 | Same EPA ratings as 2008 |
| 2008 | Gas | 18 MPG | $4,460 | Same EPA ratings as 2007 |
| 2007 | Gas | 18 MPG | $4,460 | Ratings changed |
| 2006 | Gas | 18 MPG | $4,460 | Same EPA ratings as 2005 |
| 2005 | Gas | 18 MPG | $4,460 | Ratings changed |
| 2004 | Gas | 18 MPG | $4,460 | First year |
What the 2009 XLR 4.6L 8-cyl RWD costs to drive
Per month
$372
$4,460 a year ÷ 12
Per 25 miles
$7.43
Per 100 miles
$29.73
Five years
$22,300
5 × the yearly cost, prices held at today's level
vs the two-seater median
$440more a year
Class median $4,020 a year, MY2009
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2009 Cadillac XLR MPG
EPA lists the same ratings for the 2009 Cadillac XLR as for the 2008 model, so the configurations and costs are the ones in the 2008 section above.See 2008
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XLR (Most efficient) | 4.6L 8-cyl | RWD | 15 | 24 | 18 | $4,460 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2008 Cadillac XLR MPG
Same EPA ratings as 2007
EPA lists the same ratings for the 2008 Cadillac XLR as for the 2007 model, so the configurations and costs are the ones in the 2007 section above.See 2007
2007 Cadillac XLR MPG
18 MPG · $4,460/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2006: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XLR (Most efficient) | 4.6L 8-cyl | RWD | 15 | 24 | 18 | $4,460 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2006 Cadillac XLR MPG
Same EPA ratings as 2005
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 2006 Cadillac XLR as for the 2005 model, so the configurations and costs are the ones in the 2005 section above.See 2005
2005 Cadillac XLR MPG
18 MPG · $4,460/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 18 MPG. Its annual cost stays at $4,460.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| XLR (Most efficient) | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $4,460 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2004 Cadillac XLR MPG
18 MPG · $4,460/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 |
|---|---|---|---|---|---|---|
| XLR (Most efficient) | 4.6L 8-cyl | RWD | 15 | 23 | 18 | $4,460 |
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 XLR 4.6L 8-cyl RWD: $5,320 in California and $3,870 in Texas, a $1,450 difference.
- California $5,320
- Washington $5,010
- New York $4,410
- Florida $4,080
- Texas $3,870
Similar cars
Closest combined MPG among MY2009 two-seater models.
Generations
- 2004-2009 (2004)
Frequently asked questions
What gas mileage does the 2004-2009 Cadillac XLR get?
EPA rates the 2004-2009 Cadillac XLR at 18 MPG combined across 6 configurations and 6 model years. The most efficient version, the 2009 XLR 4.6L 8-cyl RWD, is rated 18 MPG (15 city, 24 highway).
Which years had the best MPG in the 2004-2009 Cadillac XLR?
Every model year of the 2004-2009 Cadillac XLR tops out at 18 MPG combined, so no year is better than another.
Did EPA ratings change during the 2004-2009 Cadillac XLR?
Yes. Ratings changed in 2005 and 2007. In 2006, 2008 and 2009 the values repeat the year before.
How much does it cost to fuel a 2009 Cadillac XLR per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the XLR 4.6L 8-cyl RWD costs about $4,460 a year. Across all 1 configuration the cost runs $4,460 a year.
How much does it cost to drive a 2009 Cadillac XLR 100 miles?
About $29.73 per 100 miles for the XLR 4.6L 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 Cadillac XLR more efficient in the city or on the highway?
The XLR 4.6L 8-cyl RWD is rated 15 city and 24 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2009 Cadillac XLR compare with other two-seater configurations?
The XLR 4.6L 8-cyl RWD costs about $4,460 a year to fuel, $440 more than the class median of $4,020, and less than 4 of 10 two-seater configurations. The comparison covers all 73 rated two-seater configurations for MY2009, not weighted by sales.
Is the 2009 Cadillac XLR different from the 2008 model?
No. EPA lists the same ratings for 2008 and 2009: 1 configuration rated 18 MPG combined. See the 2008 Cadillac XLR for that year.