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Audi A8 Gas Tank Size & Fuel Capacity by Year

Sedan 1997–202731 model years

17.2–24.2gal · 65–92 L

Across 31 model years (1997–2027), the Audi A8 has used tanks from 17.2–24.2 gallons. The 2027 model holds 21.7 gallons.

Pick your model year

How the tank changed over the years

Audi A8 fuel tank by model yearSmallest tank Larger tank options
1997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027

Audi A8 tank size by generation

Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.

Model yearsTankLiters
2022–202721.7 gallons82 L
2020–202117.2–21.7 gallons65–82 L
2017–201921.7 gallons82 L
2015–201623.8 gallons90 L
2012–201423.4–23.8 gallons89–90 L
2005–201123.8 gallons90 L
200423.7 gallons90 L
2001–200323.7–24.2 gallons90–92 L
200023.0–24.2 gallons87–92 L
1997–199923.7 gallons90 L

Audi A8 tank size by year

YearTankLitersBest highway rangeTrims
2027 Audi A8 21.7 gallons 82 L 586 mi 1
2026 Audi A8 21.7 gallons 82 L 586 mi 1
2025 Audi A8 21.7 gallons 82 L 564 mi 1
2024 Audi A8 21.7 gallons 82 L 608 mi 1
2023 Audi A8 21.7 gallons 82 L 608 mi 1
2022 Audi A8 21.7 gallons 82 L 608 mi 1
2021 Audi A8 17.2–21.7 gallons 65–82 L 564 mi 3
2020 Audi A8 17.2–21.7 gallons 65–82 L 564 mi 3
2019 Audi A8 21.7 gallons 82 L 586 mi 2
2018 Audi A8 21.7 gallons 82 L 629 mi 2
2017 Audi A8 21.7 gallons 82 L 629 mi 2
2016 Audi A8 23.8 gallons 90 L 857 mi 4
2015 Audi A8 23.8 gallons 90 L 857 mi 6
2014 Audi A8 23.4–23.8 gallons 89–90 L 857 mi 6
2013 Audi A8 23.4–23.8 gallons 89–90 L 666 mi 5
2012 Audi A8 23.4–23.8 gallons 89–90 L 666 mi 3
2011 Audi A8 23.8 gallons 90 L 643 mi 2
2010 Audi A8 23.8 gallons 90 L 547 mi 2
2009 Audi A8 23.8 gallons 90 L 547 mi 3
2008 Audi A8 23.8 gallons 90 L 547 mi 3
2007 Audi A8 23.8 gallons 90 L 547 mi 3
2006 Audi A8 23.8 gallons 90 L 524 mi 3
2005 Audi A8 23.8 gallons 90 L 524 mi 3
2004 Audi A8 23.7 gallons 90 L 521 mi 1
2003 Audi A8 23.7–24.2 gallons 90–92 L 557 mi 2
2002 Audi A8 23.7–24.2 gallons 90–92 L 557 mi 2
2001 Audi A8 23.7–24.2 gallons 90–92 L 557 mi 2
2000 Audi A8 23.0–24.2 gallons 87–92 L 532 mi 2
1999 Audi A8 23.7 gallons 90 L 569 mi 2
1998 Audi A8 23.7 gallons 90 L 569 mi 2
1997 Audi A8 23.7 gallons 90 L 569 mi 2

Audi A8 fuel system recalls by year

NHTSA lists fuel-system recalls for 8 Audi A8 model years. Each year's page has the details, the risk and the free remedy.

Frequently asked questions

What size gas tank does the Audi A8 have?

The 2027 Audi A8 holds 21.7 gallons. Older years range from 17.2–24.2 gallons; the table has every year.

Has the tank size changed over the years?

Yes. The largest tank changed in 2017, 2005, 2004, 2000.

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