We've updated the results for the B8 A4 and S4 to include owner experiences through September 30, 2011.

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

2011 A4: 36, better than average

2011 S4: 42, about average

2010 A4: 32, better than average

2010 S4: 72, about average

2009: 55, about average

Repair frequencies for the S4 are being heavily affected by very common water pump failures.

We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.

These statistics:

2010 S4: 49, < 1

2010 A4: 77, < 1

2009 A4: 64, 2

[url=http://www.truedelta.com/lemon-odds.php?stage=pt&bd=Audi&mc=7]Audi A4 Lemon-odds and Nada-odds[/url

We'll have further updates in February and May. The more owners participate, the better the information we can provide to everyone.

To see how competitors compare, and to sign up to help improve this information:

Audi A4 reliability ratings and comparisons

 

Will the first quarter results be out soon?

 

Results through the end of the year were posted about a month ago.

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

2011 A4: 40, about average

2011 S4: 27, better than average

2010 A4: 41, better than average

2010 S4: 46, about average

2009 A4: 47, about average

We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.

These statistics:

2011 A4: 80, < 1

2010 S4: 69, < 1

2010 A4: 73, 2

2009 A4: 65, 2

We'll have further updates in May and August. The more owners participate, the better the information we can provide to everyone.

To see how competitors compare, and to sign up to help improve this information:

Audi A4 reliability ratings and comparisons

Audi A4 Lemon-odds and Nada-odds

 

We've updated the our reliability stats for the A4 and S4 (on our redesigned site) to include owner experiences through December 31, 2011.

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

2011 A4: 40, about average

2011 S4: 27, better than average

2010 A4: 41, better than average

2010 S4: 46, about average

2009 A4: 47, about average

We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.

These statistics:

2011 A4: 80, < 1

2010 S4: 69, < 1

2010 A4: 73, 2

2009 A4: 65, 2

We'll have further updates in May and August. The more owners participate, the better the information we can provide to everyone.

To see how competitors compare, and to sign up to help improve this information:

Audi A4 reliability ratings and comparisons

Audi A4 Lemon-odds and Nada-odds

 

We've updated the our reliability stats for the A4 and S4 to include owner experiences through June 30, 2012.

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

2012 A4: 16, better than average

2012 S4: no repairs reported, 19 cars

2011 A4: 35, about average

2011 S4: 38, about average

2010 A4: 53, about average

2010 S4: 50, about average

2009 A4: 42, about average

We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.

These statistics:

2011 A4: 73, 2

2011 S4: 80, < 1

2010 A4: 71, 2

2010 S4: 73, 6

2009 A4: 66, 3

We'll have further updates in November and February. The more owners participate, the better the information we can provide to everyone.

To see how competitors compare, and to sign up to help improve this information:

Audi A4 reliability ratings and comparisons

 

We've updated our reliability stats for the A4 and S4 to include owner experiences through September 30, 2012.

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

2012 A4: 19, better than average

2012 S4: 8, better than average, 19 cars

2011 A4: 29, better than average

2011 S4: 30, better than average

2010 A4: 47, about average

2010 S4: 40, about average

2009 A4: 48, about average

We have two additional statistics, "Nada-odds" and "Lemon-odds," to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop.

These statistics:

2011 A4: 80, 2

2011 S4: 78, < 1

2010 A4: 63, < 1

2010 S4: 74, 3

2009 A4: 67, < 1

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

To see how competitors compare, and to sign up to help:

Audi A4 reliability ratings and comparisons

 

We've updated our reliability stats for the B8 A4 / S4 to include owner experiences through March 31, 2013.

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

2013 A4 / S4: 15, low
2012 A4: 13, low
2012 S4: 11, low, small sample size
2011 A4: 26, low
2011 S4: 19, low
2010 A4: 46, moderate
2010 S4: 21, low
2009 A4: 61, moderate

We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

2011 A4: 83, < 1
2011 S4: 83, < 1
2010 A4: 57, < 1
2010 S4: 86, 3
2009 A4: 47, < 1

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

To see how competitors compare, and to sign up to help improve this information:

Audi A4 / S4 reliability ratings and comparisons

 

We've updated our reliability stats for the A4 / S4 to include owner experiences through June 30, 2013. (Another source is about 14 months behind.)

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

2013 A4 / S4: 17, low
2012 A4: 8, low
2012 S4: 37, moderate, small sample size
2011 A4: 23, low
2011 S4: 15, low
2010 A4: 54, moderate
2010 S4: 25, low
2009 A4: 61, moderate

We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

2011 A4: 84, 5
2011 S4: 88, < 1
2010 A4: 64, 2
2010 S4: 90, 3
2009 A4: 51, 2

We'll have further updates in November and February.

To view competitors' scores and descriptions of reported repairs, and to sign up to help:

Audi A4 / S4 reliability ratings and comparisons

 

We've updated our reliability stats for the A4 / S4 to include owner experiences through September 30, 2013.

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

2013 A4 / S4: 17, low
2012 A4: 7, low
2012 S4: 35, moderate
2011 A4: 32, low
2011 S4: 18, low
2010 A4: 62, moderate
2010 S4: 23, low
2009 A4: 55, moderate

We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

2013 A4 / S4: 83, < 1
2012 A4: 92, < 1
2011 A4: 77, 5
2011 S4: 88, < 1
2010 A4: 62, 2
2010 S4: 83, 3
2009 A4: 61, 2

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

To see how competitors compare, and to sign up to help improve this information:

Audi A4 / S4 reliability ratings and comparisons

 

We've updated our reliability stats for the A4 / S4 to include owner experiences through December 31, 2013.

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

2013 A4 / S4: 21, low
2012 A4: 10, low
2012 S4: 42, moderate
2011 A4: 32, low
2011 S4: 31, low
2010 A4: 52, moderate
2010 S4: 49, moderate
2009 A4 2.0T: 58, moderate
2009 A4 3.2: 49, moderate

We have two additional statistics, "Nada-odds" and "Lemon-odds", to indicate the percentage of cars with no repairs in the past year and those that required 3+ trips to the repair shop:

2013 A4 / S4: 84, 2
2012 A4: 88, < 1
2011 A4: 77, 3
2011 S4: 86, < 1
2010 A4: 68, 6
2010 S4: 65, 3
2009 A4 2.0T: 58, 6

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 A4 / S4 reliability ratings and comparisons