- Gas
- Two-seaters
- MY2004–2009
Cadillac XLR MPG & Fuel Cost by Year
6 model years · 2004–2009
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cadillac XLR fuel economy at a glance
EPA has rated the Cadillac XLR for 6 model years, 2004 to 2009. Across those years its combined rating runs 18 MPG. The latest model year, 2009, has 1 configuration rated 18 MPG combined and costing $4,460 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2009 XLR 4.6L 8-cyl RWD, at 18 MPG.
Cadillac XLR MPG by year
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.
Cadillac XLR generations
1 generations between 2004 and 2009. Open one for the table of every model year and configuration.
2009 powertrain options
More Cadillac models
Frequently asked questions
What is the Cadillac XLR's gas mileage by year?
EPA combined ratings for the Cadillac XLR run 18 MPG across model years 2004 to 2009. The latest year, 2009, is rated 18 MPG.
Which Cadillac XLR model year has the best gas mileage?
The 2009 Cadillac XLR XLR 4.6L 8-cyl RWD has the highest combined rating since 2004, at 18 MPG.
How much does a Cadillac XLR cost to fuel per year?
For MY2009, EPA-rated configurations cost $4,460 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,460.
Has the Cadillac XLR's fuel economy improved over time?
Not much. The most efficient configuration is rated 18 MPG in both 2004 and 2009.
Which Cadillac XLR model years have the same ratings?
EPA lists identical ratings as the previous year for 2006, 2008, 2009. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.