2008 Audi A4 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 A4.
The 2008 Audi A4 has 3 model options: Automatic (variable gear ratios) 4-cyl, 2.0 L, Manual 6-spd 4-cyl, 2.0 L and Automatic (variable gear ratios) 6-cyl, 3.1 L.
The 2008 Audi A4 Automatic (variable gear ratios) 4-cyl, 2.0 L runs on premium gasoline and is in the Compact Cars car class.
The 2008 Audi A4 Manual 6-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Compact Cars car class.
The 2008 Audi A4 Automatic (variable gear ratios) 6-cyl, 3.1 L runs on premium gasoline and is in the Compact Cars car class.
🛣 How Many Miles per Gallon (MPG) Does a 2008 Audi A4 Get?
Across all models, the combined average MPG for the 2008 Audi A4 is 23 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic (variable gear ratios) 4-cyl, 2.0 L | 24 | 21 | 30 |
| Manual 6-spd 4-cyl, 2.0 L | 24 | 20 | 31 |
| Automatic (variable gear ratios) 6-cyl, 3.1 L | 21 | 18 | 27 |
💵 What is the Average Yearly Fuel Cost for a 2008 Audi A4?
The average fuel costs for all models of the 2008 Audi A4 is $3,233.
The average fuel costs have 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.
Comparing a 2008 Audi A4 to an average vehicle over 5 years, you will spend $4,667 more on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic (variable gear ratios) 4-cyl, 2.0 L | $3,100 | spend $4,000 more |
| Manual 6-spd 4-cyl, 2.0 L | $3,100 | spend $4,000 more |
| Automatic (variable gear ratios) 6-cyl, 3.1 L | $3,500 | spend $6,000 more |
🛢 How Many Barrels of Petroleum Does a 2008 Audi A4 Consume?
Across all models, the average number barrels of petroleum that the 2008 Audi A4 will consume in one year is 13 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Automatic (variable gear ratios) 4-cyl, 2.0 L | 12 |
| Manual 6-spd 4-cyl, 2.0 L | 12 |
| Automatic (variable gear ratios) 6-cyl, 3.1 L | 14 |
💨 How Many Grams of CO2 Does a 2008 Audi A4 Emit?
The 2008 Audi A4 will emit an average of about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the 2008 Audi A4.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 2008 Audi A4 model options.
Automatic (variable gear ratios) 4-cyl, 2.0 L
The table below contains all of the details we have for the 2008 Audi A4 Automatic (variable gear ratios) 4-cyl, 2.0 L:
| City MPG | 21 |
|---|---|
| Highway MPG | 30 |
| Combined MPG | 24 |
| Save/Spend vs Average Car | Spend $4,000 |
| Fuel Cost | $3,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 12 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Front-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Automatic (variable gear ratios) |
| Vehicle Class | Compact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | Yes |
Manual 6-spd 4-cyl, 2.0 L
The table below contains all of the details we have for the 2008 Audi A4 Manual 6-spd 4-cyl, 2.0 L:
| City MPG | 20 |
|---|---|
| Highway MPG | 31 |
| Combined MPG | 24 |
| Save/Spend vs Average Car | Spend $4,000 |
| Fuel Cost | $3,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 12 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Front-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Manual 6-spd |
| Vehicle Class | Compact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | Yes |
Automatic (variable gear ratios) 6-cyl, 3.1 L
The table below contains all of the details we have for the 2008 Audi A4 Automatic (variable gear ratios) 6-cyl, 3.1 L:
| City MPG | 18 |
|---|---|
| Highway MPG | 27 |
| Combined MPG | 21 |
| Save/Spend vs Average Car | Spend $6,000 |
| Fuel Cost | $3,500 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 14 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Front-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.1 |
| Transmission | Automatic (variable gear ratios) |
| Vehicle Class | Compact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
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/audi/a4/2008">2008 Audi A4 MPG and Fuel Economy</a>
"2008 Audi A4 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a4/2008.
"2008 Audi A4 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a4/2008. Accessed January 3, 2026.
2008 Audi A4 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a4/2008.