We've updated our reliability stats for the A8 / S8 to include owner experiences through December 31, 2013.

Repair frequencies, in terms of repair trips per 100 cars per year:

2007 A8 / S8: 42, low, very small sample size
2006 A8 / S8: 55, moderate, very small sample size
2005 A8 / S8: 129, high, very small sample size
2004 A8 / S8: 81, moderate, very small sample size

We'll have further updates in May and in August. The more owners participate, the more comprehensive and precise these will be.

To see the repairs behind these stats, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

Our reliability stats for the A8 / S8 now include owner experiences through March 31, 2014, making them nearly a year ahead of other sources.

Repair frequencies, in terms of repair trips per 100 cars per year:

2007 A8 / S8: 44, low, very small sample size
2006 A8 / S8: 51, low, very small sample size
2005 A8 / S8: 141, high, very small sample size
2004 A8 / S8: 107, moderate, very small sample size

Thank you, once again, everyone who has been helping. Next update in August.

For a deeper dive, including the stats for other cars and repair descriptions, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through June 30, 2014 (making them about 14 months ahead of some others).

Repair frequencies, in terms of repair trips per 100 cars per year:

2007 A8 / S8: 64, moderate, very small sample size
2006 A8 / S8: 47, low, very small sample size
2005 A8 / S8: 108, high, very small sample size
2004 A8 / S8: 127, high, very small sample size

Next updates in November and in February. The more owners participate, the more comprehensive and precise these will be.

For repair descriptions, the stats of other cars, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through September 30, 2014.

Repair frequencies, in terms of repair trips per 100 cars per year:

2007 A8 / S8: 39, low, small sample size
2005 A8 / S8: 133, high, very small sample size

Additional participants would be very helpful. I'd love to be able to drop the disclaimers and cover more model years. More members have been selling than buying D3s, and there weren't quite enough responses for the 2004 and 2006 last time around.

To view the repairs behind these numbers, check the stats for other cars, and sign up to help improve this information (next update in February):

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through the end of 2014. In terms of repair trips per 100 cars per year:

2007 A8 / S8: 88, moderate, small sample size
2005 A8 / S8: 116, high, very small sample size

We'll have further updates in May and in August. The more owners participate, the more comprehensive and precise these will be.

For the details, including how competitors compare, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

So, how have these cars been doing lately?

Our reliability stats for the A8 / S8 now include owner experiences through March 31, 2015. (Others are nearly a year behind.)

In terms of repair trips per 100 cars per year ("low" is best):

2007 A8 / S8: 86, moderate, small sample size
2005 A8 / S8: 133, high, very small sample size

No stat for a model year? Then we very much need more participants for it. Same for those with small sample size notes. Next updates in August and November.

For repair descriptions, the stats for other cars, and to sign up to help improve this information:

Audi A8 / S8 reliability

 

Our reliability stats for the A8 / S8 now cover the year ending June 30, 2015. (Others are over a year behind.) Repair trips per 100 cars:

2007 A8 / S8: 90, moderate, small sample size
2006 A8 / S8: 24, low, very small sample size
2005 A8 / S8: 150, high, very small sample size

If a model year isn't listed, then we especially need more owners involved.

For the descriptions of all reported repairs, results for other models, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through September 30, 2015. In terms of repair trips per 100 cars per year:

2007 A8 / S8: 91, moderate, small sample size
2006 A8 / S8: 12, low, very small sample size
2005 A8 / S8: 108, high, very small sample size

We'll have further updates in February and in May. Additional participants are needed to provide precise stats for all model years.

For the details, including repair descriptions, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through the end of 2015, about eight months ahead of other sources. In terms of repair trips per 100 cars per year--lower is better:

2007 A8 / S8: 60, moderate, small sample size
2006 A8 / S8: 15, low, very small sample size
2005 A8 / S8: 46, low, very small sample size

For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons

 

We've updated our reliability stats for the A8 / S8 to include owner experiences through June 30, 2016. Reliability information elsewhere is based on a survey conducted in April 2015--well over a year ago.

Repair frequencies, in terms of repair trips per 100 cars per year (lower is better):

2007 A8 / S8: 63, moderate, very small sample size
2005 A8 / S8: 58, low, very small sample size

With additional participants we could cover more model years and provide more precise stats.

For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

Audi A8 / S8 reliability ratings and comparisons