Makes AudiA6

Audi A6 MPG

Its best-rated version reaches 30 MPG combined in 2016, the diesel A6 quattro. Its weakest year peaked at 18 MPG (2000–2001).

lowest to best versionbest versionbest version is a hybridmedian of its classengine list turned over

625.0 gal

a year at 15,000 miles for the best 2026 version, the A6 Allroad quattro. Put it next to its 1995 predecessor, at your own mileage.

Compare in gallons

The Audi A6 has EPA ratings for 32 model years, 1995–2026, most often among midsize cars. In 2004 even its most efficient version rated lowest of 11 midsize station wagons (next up: the Mercury Sable); it sat in its class's bottom five in 11 model years.

The first diesel version of the A6 arrived in 2014, when 10 of 181 cars offered one. Of the 991 car nameplates on this site, few have had a diesel version (60 of them) or a hybrid version (73 of them); this one has.

The A6, five years at a time

Average rating of its best version per span, placed in the class it sat in most often.

1994–9838th of 43compact cars

1999–0328th of 45midsize cars

2004–0827th of 44midsize cars

2009–1320th of 46midsize cars

2014–1827th of 53midsize cars

2019–2332nd of 49midsize cars

2024–2617th of 24midsize cars

Where the engine list turned over

2000
New: 2.7-liter 6-cylinder, 4.2-liter 8-cylinder. Best rating 19 → 18 MPG.
2005
New: 3.1-liter 6-cylinder. Best rating 21 → 19 MPG.
2012
New: 2.0-liter 4-cylinder. Best rating 24 → 28 MPG.
2019
New: 2.0-liter 4-cylinder hybrid, 3.0-liter 6-cylinder hybrid. Best rating 28 → 27 MPG.
2026
New: 3.0-liter 6-cylinder. Best rating 26 → 24 MPG.

Powertrains under the name

Gasoline
Rated in 1995–2018 and 2026.
Diesel
Rated in 2014–2016.
Hybrid
Rated in 2019–2026.

All 32 model years, best and lowest version

Model years	Best version	Combined	City / hwy	Lowest version	Versions
2026	A6 Allroad quattro hybrid	24	21 / 30	23	2
2025	A6 quattro hybrid	26	24 / 31	25	3
2024	A6 quattro hybrid	26	23 / 33	25	3
2023	A6 quattro hybrid	27	24 / 31	24	3
2022	A6 quattro hybrid	26	23 / 32	23	3
2021	A6 quattro hybrid	26	23 / 31	22	3
2020	A6 quattro hybrid	27	24 / 32	22	3
2019	A6 quattro hybrid	27	24 / 32	25	2
2018	A6	28	25 / 34	23	3
2017	A6	28	24 / 34	24	3
2016	A6 quattro diesel	30	25 / 38	24	4
2014–2015	A6 quattro diesel	29	25 / 38	21	4
2013	A6	28	25 / 33	21	3
2012	A6	28	25 / 33	22	2
2011	A6	24	21 / 30	19	4
2010	A6	22	18 / 28	18	4
2006–2009	A6	21	18 / 27	18	4
2005	A6 quattro	19	17 / 24	19	1
2003–2004	A6	21	18 / 25	18	6
2002	A6	19	17 / 23	18	6
2001	A6	18	16 / 23	18	6
2000	A6	18	16 / 24	18	7
1999	A6	19	16 / 25	18	3
1998	A6	19	17 / 25	18	3
1996–1997	A6	19	17 / 23	19	4
1995	A6	19	17 / 23	18	6

Version names in the EPA list: A6, A6 Allroad, A6 Allroad quattro, A6 Avant quattro, A6 quattro, A6 quattro Wagon, A6 Sedan, A6 Wagon, A6 Wagon quattro.