Audi A4 MPG and Fuel Economy
Audi have been manufacturing models of A4 for 24 years, with the latest vehicle in 2020 having a combined MPG of 30.
The estimated fuel cost for the 2020 Audi A4 is $2,450 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $750 more on fuel driving a 2020 Audi A4.
🛢 The Audi A4 will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Audi A4 will emit 295 grams of CO2, which is about 4,425,000 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 211 trees would be needed to offset emissions from the Audi A4.
The table below is a complete list of the 24 Audi A4 fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2020 Audi A4 | 30 | $2,450 |
| 2019 Audi A4 | 30 | $2,450 |
| 2017 Audi A4 | 28 | $2,650 |
| 2016 Audi A4 | 27 | $2,750 |
| 2015 Audi A4 | 26 | $2,850 |
| 2014 Audi A4 | 26 | $2,850 |
| 2013 Audi A4 | 26 | $2,850 |
| 2012 Audi A4 | 25 | $2,950 |
| 2011 Audi A4 | 25 | $2,950 |
| 2010 Audi A4 | 26 | $2,850 |
| 2009 Audi A4 | 25 | $2,950 |
| 2008 Audi A4 | 24 | $3,100 |
| 2007 Audi A4 | 24 | $3,100 |
| 2006 Audi A4 | 24 | $3,100 |
| 2005 Audi A4 | 23 | $3,200 |
| 2004 Audi A4 | 23 | $3,200 |
| 2003 Audi A4 | 23 | $3,200 |
| 2002 Audi A4 | 21 | $3,500 |
| 2001 Audi A4 | 23 | $3,200 |
| 2000 Audi A4 | 21 | $3,500 |
| 1999 Audi A4 | 22 | $3,350 |
| 1998 Audi A4 | 22 | $3,350 |
| 1997 Audi A4 | 21 | $3,500 |
| 1996 Audi A4 | 19 | $3,900 |
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"Audi A4 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a4.
"Audi A4 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a4. Accessed January 3, 2026.
Audi A4 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a4.