Audi A6 quattro MPG by year — every rating on record

The Audi A6 quattro has a combined EPA fuel economy rating for 31 model years, from 1995 to 2025. Across those years its best rated version returned 30 mpg (2016) and its thirstiest returned 18 mpg (1995). The EPA record holds 70 configurations for this nameplate, most recently a Midsize Cars.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Audi A6 quattro placed highest in 2003 at #28 of 46, and lowest in 2017 at #72 of 110. It spent 6 of its 31 ranked years in the top half of its class.

Every configuration on record

All 70 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 11 of 15 year-over-year steps improved the top rating.

What A6 quattro fuel costs over a year

At the EPA's 11,500 miles a year, the 2025 Audi A6 quattro burns 442 to 460 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

EPA’s own estimate for the 2025 model year is $3,000 to $3,100 a year in fuel, or $3,750 more than the average new vehicle over five years.

How it compares with other Midsize Cars

Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 26 mpg the Audi A6 quattro is 1 mpg better the median, which is worth about $62 a year at $3.50 a gallon.

• All Midsize Cars rankings — every nameplate in the class, best to worst.

Other Audi nameplates

Every Audi model compared → — all nameplates ranked by best combined rating, with what each one costs a year.