FuelFacts

2009 Cadillac XLR-V MPG & Specs — Real-World vs EPA, All Trims

Every gas trim of this model takes premium.

17
MPG combined (14 city / 23 hwy)
$4,129
est. fuel / year (today's prices, 15k mi)
Premium
gas type

Is the 2009 Cadillac XLR-V good on gas?

At up to 17 MPG combined, the 2009 Cadillac XLR-V is worse than average for a Two Seaters — that class averages about 19.4 MPG across 2,500 EPA-tested versions, so it's on the thirsty side for its size.

Real-world MPG vs the EPA number

The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.

At today's AAA national average price — $4.68/gal for premium gas as of 2026-07-05 — the most efficient trim runs about $4,129/year (roughly $344/month, about $27.53 per 100 miles) at the EPA's assumed 15,000 miles/year, using an estimated 882 gallons a year. We don't estimate a cost-per-fill since exact tank size isn't in the public EPA dataset, but the per-100-mile figure scales to any tank. Current national average gas prices →

2009 Cadillac XLR-V trims & fuel economy

Trim (engine / transmission)FuelMPGFuel/yr (today's price)
4.4L 8-cyl, S6 automatic, RWDPREMIUM17$4,129
Where the EPA lists premium, that’s the fuel the maker specified for the mileage test — many such engines run on regular with slightly less power/MPG. Whether premium is required or just recommended is an owner’s-manual detail the EPA dataset omits, so we don’t guess it.

2009 Cadillac XLR-V specs

What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.

Engine options4.4L 8-cyl supercharged
TransmissionS6 automatic
Drive typeRWD
EPA body classTwo Seaters
FuelPremium
Gas guzzler taxYes — at least one trim carried the federal guzzler tax

Other years of the Cadillac XLR-V

2008 Cadillac XLR-V2007 Cadillac XLR-V2006 Cadillac XLR-V

Similar cars (Two Seaters)

2009 smart fortwo convertible2009 Honda S20002009 Nissan 370z2009 Nissan 350z Roadster2009 Porsche 911 GT22009 Cadillac XLR

Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides

1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.