2009 · Midsize Car · Gas
2009 Cadillac STS-V MPG & fuel economy
The 2009 Cadillac STS-V is a midsize car with one EPA-rated configuration. The most efficient version returns 15 MPG combined (13 city / 19 highway) on premium gasoline. Efficiency is unchanged from the 2008 model. Among 43 midsize cars rated for 2009, it ranks 41st for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,950 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2009 Cadillac STS-V's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 5.5 km/L in the city and 8.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 13 | 5.5 | 18.1 |
| Highway | 19 | 8.1 | 12.4 |
| Combined | 15 | 6.4 | 15.7 |
How it ranks among 2009 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
STS-V MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 4.4L 8-cyl supercharged · 6-speed automatic STS-V |
Gas | 13 MPG | 19 MPG | 15 MPG | — | $3,950 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 4.4L 8-cyl supercharged
- Transmission
- 6-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 102 cu ft
- Cargo volume
- 14 cu ft
- Tailpipe CO₂
- 592 g/mi
2009 Cadillac STS-V vs. rivals
Compare the 2009 STS-V
With any other car from any year, including other STS-V model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2009 Cadillac STS-V?
Up to 15 MPG combined (13 city / 19 highway).
What fuel does the 2009 Cadillac STS-V use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2009 Cadillac STS-V?
The 2009 Cadillac STS-V's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 5.5 km/L in the city and 8.1 km/L on the highway.
How much does it cost to fuel the 2009 Cadillac STS-V per year?
About $3,950 at 15,000 miles a year with $3.95/gal premium gas, or $26.33 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.