2008 Audi RS4 Cabriolet 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 Audi RS4 Cabriolet.

The 2008 Audi RS4 Cabriolet runs on premium gasoline and is in the Subcompact 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 Audi RS4 Cabriolet is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2008 Audi RS4 Cabriolet Get?

First off, the most commonly asked question. A 2008 Audi RS4 Cabriolet gets up to 12 miles per gallon in the city, and 19 miles per gallon on the highway.

The combined average MPG for the 2008 Audi RS4 Cabriolet is 14 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2008 Audi RS4 Cabriolet?

The estimated fuel costs for the 2008 Audi RS4 Cabriolet is $5,300 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 Audi RS4 Cabriolet to an average vehicle over 5 years, you will spend $15,000 more on fuel.

The 2008 Audi RS4 Cabriolet 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 Audi RS4 Cabriolet is 14 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $5,400 per year.

🛢 How Many Barrels of Petroleum Does a 2008 Audi RS4 Cabriolet Consume?

The 2008 Audi RS4 Cabriolet will consume roughly 21 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.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2008 Audi RS4 Cabriolet.

City MPG 12
Highway MPG 19
Combined MPG 14
Save/Spend vs Average Car Spend $15,000
Gas Guzzler Tax $7,700
Fuel Cost $5,300
Fuel Type 1 Premium
Barrels of Petroleum 21
Drive 4-Wheel or All-Wheel Drive
Cylinders 8
Transmission Manual 6-spd
Vehicle Class Subcompact Cars
Start/Stop? No
Supercharged? No
Turbocharged? No

Related Audi Models from 2008

If you're interested in other Audi 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
A4 Avant quattro 22
A8 L 15
A8 18
A6 21
R8 15
TT Coupe quattro 19
A4 24
S5 16
A4 quattro 23
TT Roadster quattro 20
A6 Avant quattro 20
RS4 15
S4 Avant 16
Q7 16
A4 21
S6 16
A6 quattro 18
S5 19
S8 15
A4 Avant quattro 23


Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

Link To or Reference This Page

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  • "2008 Audi RS4 Cabriolet MPG and Fuel Economy". MPG Buddy. Accessed on June 26, 2022. http://mpgbuddy.com/cars/audi/rs4-cabriolet/2008.

  • "2008 Audi RS4 Cabriolet MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/audi/rs4-cabriolet/2008. Accessed 26 June, 2022

  • 2008 Audi RS4 Cabriolet MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/audi/rs4-cabriolet/2008.