2008 Cadillac STS-V MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2008 Cadillac STS-V.
The 2008 Cadillac STS-V runs on premium gasoline and is in the Midsize Cars car class.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2008 Cadillac STS-V is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2008 Cadillac STS-V Get?
First off, the most commonly asked question. A 2008 Cadillac STS-V gets up to 13 miles per gallon in the city, and 19 miles per gallon on the highway.
The combined average MPG for the 2008 Cadillac STS-V is 15 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2008 Cadillac STS-V?
The estimated fuel costs for the 2008 Cadillac STS-V is $4,950 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2008 Cadillac STS-V to an average vehicle over 5 years, you will spend $13,250 more on fuel.
The 2008 Cadillac STS-V is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.
The combined average MPG for the 2008 Cadillac STS-V is 15 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $4,500 per year.
🛢 How Many Barrels of Petroleum Does a 2008 Cadillac STS-V Consume?
The 2008 Cadillac STS-V will consume roughly 20 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2008 Cadillac STS-V.
| City MPG | 13 |
|---|---|
| Highway MPG | 19 |
| Combined MPG | 15 |
| Save/Spend vs Average Car | Spend $13,250 |
| Gas Guzzler Tax | $4,500 |
| Fuel Cost | $4,950 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 20 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 4.4 |
| Transmission | Automatic (S6) |
| Vehicle Class | Midsize Cars |
| Start/Stop? | No |
| Supercharged? | Yes |
| Turbocharged? | No |
Related Cadillac Models from 2008
If you're interested in other Cadillac models from 2008, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
| Model | Combined MPG |
|---|---|
| CTS | 20 |
| CTS | 19 |
| CTS | 19 |
| CTS | 21 |
| CTS AWD | 20 |
| CTS AWD | 20 |
| DTS | 18 |
| DTS | 18 |
| Escalade 2WD | 14 |
| Escalade AWD | 14 |
| Escalade ESV 2WD | 14 |
| Funeral Coach / Hearse | 15 |
| Limousine | 15 |
| SRX 2WD | 17 |
| SRX 2WD | 16 |
| SRX AWD | 17 |
| SRX AWD | 15 |
| STS | 20 |
| STS | 18 |
| STS AWD | 20 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/cadillac/sts-v/2008">2008 Cadillac STS-V MPG and Fuel Economy</a>
"2008 Cadillac STS-V MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/cadillac/sts-v/2008.
"2008 Cadillac STS-V MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/cadillac/sts-v/2008. Accessed January 3, 2026.
2008 Cadillac STS-V MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/cadillac/sts-v/2008.