Makes AudiA8

Audi A8 MPG

Its best-rated version reaches 28 MPG combined in 2014–2016, the diesel A8 L. Its weakest year peaked at 18 MPG (1997–2010).

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

681.8 gal

a year at 15,000 miles for the best 2026 version, the A8 quattro. Put it next to its 1997 predecessor, at your own mileage.

Compare in gallons

The Audi A8 has EPA ratings for 30 model years, 1997–2026, most often among large cars. In 2000 even its most efficient version shared the lowest rating of 18 large cars; it sat in its class's bottom five in seven model years.

Its best version ranked second (tied) of 27 large cars in 2014, behind the class leader, the Ford C-MAX, and it placed in its class top five in three model years. The first diesel version of the A8 arrived in 2014, when 10 of 181 cars offered one.

Among 16 large cars, 2026

The A8 placed tenth. The class leader was the Hyundai Sonata at 51 MPG. The next higher rating, 23 MPG, is shared by two nameplates.

The A8, five years at a time

Average rating of its best version per span, placed among large cars.

1999–0313th of 19

2004–0822nd of 34

2009–1315th of 30

2014–18eighth of 29

2019–2314th of 20

2024–26ninth of 14

Where the engine list turned over

2013
New: 3.0-liter 6-cylinder, 4.0-liter 8-cylinder. Best rating 21 → 21 MPG.
2019
New: 3.0-liter 6-cylinder hybrid, 4.0-liter 8-cylinder hybrid. Best rating 22 → 22 MPG.
2022
Dropped: 3.0-liter 6-cylinder plug-in hybrid, 4.0-liter 8-cylinder hybrid. Best rating 23 → 22 MPG.

Powertrains under the name

Gasoline
Rated in 1997–2018.
Diesel
Rated in 2014–2016.
Hybrid
Rated in 2019–2026.
Plug-in hybrid
Rated in 2020–2021.

All 30 model years, best and lowest version

Model years	Best version	Combined	City / hwy	Lowest version	Versions
2026	A8 quattro hybrid	22	19 / 27	22	1
2025	A8 quattro hybrid	22	20 / 26	22	1
2024	A8 quattro hybrid	22	19 / 28	22	1
2023	A8 L hybrid	22	19 / 28	22	1
2022	A8 L quattro hybrid	22	19 / 28	22	1
2021	A8 L plug-in hybrid	23	21 / 26	18	3
2020	A8 L plug-in hybrid	23	21 / 27	18	3
2019	A8 L hybrid	22	19 / 27	18	2
2018	A8 L	22	19 / 29	19	2
2017	A8 L	22	19 / 29	22	2
2016	A8 L diesel	28	24 / 36	16	4
2015	A8 L diesel	28	24 / 36	16	6
2014	A8 L diesel	28	24 / 36	15	6
2013	A8	21	18 / 28	15	5
2012	A8	21	18 / 28	16	3
2011	A8	21	17 / 27	21	2
2010	A8	18	16 / 23	18	2
2007–2009	A8	18	16 / 23	15	3
2005–2006	A8	18	16 / 22	15	3
2004	A8 L	18	16 / 22	18	1
2003	A8	18	15 / 23	18	2
2001–2002	A8 L	18	15 / 23	18	2
2000	A8 L	18	15 / 22	18	2
1997–1999	A8	18	15 / 24	18	2

Version names in the EPA list: A8, A8 L, A8 L quattro, A8 quattro.

Same class, 2026

Hyundai Sonata51 MPG Mercedes-Benz S-Class23 MPG Genesis G9021 MPG Rolls-Royce Phantom14 MPG