Cadillac · 2006–2009 · Gas
Cadillac STS-V MPG by year
The EPA has rated 4 model years of the Cadillac STS-V, from 2006 to 2009. The most fuel-efficient year is the 2009, at 15 MPG combined in its best configuration. The best 2009 model is 7% more efficient than the best 2006 model (15 vs. 14 MPG). The 2009 model is 32% less efficient than the median midsize car that year (15 vs. 22 MPG).
Combined MPG by model year
- STS-V, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every STS-V model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2009 | Gas | 15 MPG | 13 / 19 | 22 | — | 1 | $3,950 |
| 2008 | Gas | 15 MPG | 13 / 19 | 22 | — | 1 | $3,950 |
| 2007 | Gas | 15 MPG | 12 / 19 | 22 | — | 1 | $3,950 |
| 2006 | Gas | 14 MPG | 12 / 19 | 21 | — | 1 | $4,232 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare STS-V model years
See how much a newer STS-V would save over an older one.
Models similar to the Cadillac STS-V
Frequently asked questions
Which Cadillac STS-V year has the best fuel economy?
The 2007 Cadillac STS-V, rated up to 15 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $3,950 a year.
Which Cadillac STS-V year has the worst fuel economy?
The 2006 model, whose most efficient version is rated 14 MPG combined (about $4,232 a year to fuel).
What is the fuel economy of the latest Cadillac STS-V?
The 2009 Cadillac STS-V is rated up to 15 MPG combined.