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Audi A6 fuel consumption

Of all Audi A6 modifications produced from 1994 to 2021 real fuel consumption according to user ratings is approximately 22% higher compared to advertised consumption. For petrol engines real consumption is in average 24% higher, but for diesel engines is approximately 20% higher. Starting from 1994 Audi A6 average difference between actual owner-reported fuel consumption and stated consumption was less than industry average, at 1999 it was slightly above industry average, at 2008 difference between owner-reported and advertised fuel economy became significantly higher than average. It is noteworthy during this period that the gap between advertised and actual fuel economy changed significantly throughout the automotive industry. For more details, see the table below.

Year-to-year deviations of actual owner-reported average fuel consumption from advertised values

YearGasoline carsDiesel cars
All carmakersAudi A6All carmakersAudi A6
1994+6%insignificant+3%insignificant
Show all years
1995+5%insignificant+2%insignificant
1996+4%insignificant+2%insignificant
1997+3%insignificant+3%insignificant
1998+3%+4% +4%+4%
1999+3%+5% +5%+4%
2000+4%+6% +5%+3%
2001+5%+6% +6%+6%
2002+6%+8% +7%+8%
2003+6%+8% +8%+10%
2004+7%+8% +9%+11%
2005+8%+13% +10%+11%
2006+9%+14% +11%+10%
2007+11%+15% +12%+10%
2008+12%+20% +13%+15%
2009+14%+25% +14%+20%
2010+16%+25% +16%+20%
2011+19%+29% +19%+27%
2012+21%+36% +23%+32%
2013+23%+41% +27%+36%
2014+26%+47% +30%+41%
2015+27%+52% +33%+47%
2016+28%+52% +36%+47%
2017+28%+52% +38%+47%
2018+28%+49% +39%+44%
2019+27%+47% +37%+39%
2020+27%+41% +36%+38%
2021+26%+41% +37%+38%

Select Audi A6 generation

For detailed fuel economy data, including advertised versus real-world fuel consumption and consumption differences between different engines and transmissions.

Audi A6 2018 sedan fuel economy Audi A6 2014 - 2018 wagon fuel economy Audi A6 2012 - 2014 sedan, wagon fuel economy Audi A6 2011 - 2014 wagon fuel economy Audi A6 2008 - 2012 sedan, wagon fuel economy Audi A6 2006 - 2008 wagon, sedan fuel economy Audi A6 2005 - 2008 wagon fuel economy Audi A6 2004 - 2008 sedan fuel economy Audi A6 2001 - 2004 wagon fuel economy Audi A6 1998 - 2001 sedan, wagon fuel economy Audi A6 1997 - 2001 sedan fuel economy Audi A6 1994 - 1997 sedan fuel economy
User-reported fuel consumption may not accurately represent all users' experiences due to variables such as driving conditions, driving style, technical condition of the vehicle, and other circumstances. Thus, it should not be relied upon as a representative indicator.