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Audi A4 / S4 / RS4 vs. BMW 3-Series Reliability Comparisons

You won't find Audi A4 / S4 / RS4 or BMW 3-Series reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Audi A4 / S4 / RS4 and the BMW 3-Series truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Audi A4 / S4 / RS4 and BMW 3-Series reliability as the cars age. Others tell you how reliable the Audi A4 / S4 / RS4 and the BMW 3-Series were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Audi A4 / S4 / RS4 and the BMW 3-Series have been recently.

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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 Audi A4 / S4   15 A4 / S4s, 3.5 months of data per A4 / S4, average 3600 miles

* Small sample size.
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* Small sample size.
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2014 BMW 3-Series   21 3-Series, 4.3 months of data per 3-Series, average 4500 miles

* Small sample size.
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2013 Audi A4 / S4 94 A4 / S4s, 9.0 months of data per A4 / S4, average 9400 miles

Refreshed for this model year.
17
20% Fewest Trips Most Trips
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2013 BMW 3-Series 4dr 68 3-Series 4drs, 9.1 months of data per 3-Series 4dr, average 9300 miles17
20% Fewest Trips Most Trips
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2012 Audi A4 32 A4s, 8.8 months of data per A4, average 22500 miles9
0% Fewest Trips Most Trips
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2012 Audi S4 45 S4s, 8.2 months of data per S4, average 21800 miles43
50% Fewest Trips Most Trips
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2012 BMW 3-Series 2dr   18 3-Series 2drs, 9.6 months of data per 3-Series 2dr, average 14700 miles

* Small sample size.
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2012 BMW 3-Series 4dr 26 3-Series 4drs, 8.7 months of data per 3-Series 4dr, average 16300 miles

First year for F30 3-Series sedan.
48
60% Fewest Trips Most Trips
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2011 Audi S4 51 S4s, 10.0 months of data per S4, average 31800 miles40
40% Fewest Trips Most Trips
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2011 Audi A4 38 A4s, 10.0 months of data per A4, average 33400 miles44
50% Fewest Trips Most Trips
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2011 BMW M3   20 M3s, 9.6 months of data per M3, average 27100 miles

* Small sample size.
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2011 BMW 335 35 335s, 7.5 months of data per 335, average 28800 miles

Average odometer reading much lower for the M3.
27
20% Fewest Trips Most Trips
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2011 BMW 328 103 328s, 8.4 months of data per 328, average 30200 miles

Average odometer reading much lower for the M3.
28
20% Fewest Trips Most Trips
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2010 Audi S4 66 S4s, 9.2 months of data per S4, average 42300 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
45
40% Fewest Trips Most Trips
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2010 Audi A4 32 A4s, 9.6 months of data per A4, average 49500 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
63
70% Fewest Trips Most Trips
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2010 BMW 335   11 335s, 8.3 months of data per 335, average 35800 miles

* Very small sample size.
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2010 BMW 328 32 328s, 7.6 months of data per 328, average 43700 miles69
80% Fewest Trips Most Trips
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2009 Audi A4 3.2 37 A4 3.2s, 10.1 months of data per A4 3.2, average 48200 miles

First model year of the B8 A4. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
55
50% Fewest Trips Most Trips
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2009 Audi A4 2.0T 41 A4 2.0Ts, 8.5 months of data per A4 2.0T, average 53200 miles

First model year of the B8 A4. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
55
50% Fewest Trips Most Trips
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2009 BMW M3   17 M3s, 8.9 months of data per M3, average 33700 miles

* Small sample size.
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2009 BMW 335 28 335s, 9.0 months of data per 335, average 46000 miles

Average odometer reading much lower for the M3. 335i might have a common problem with the fuel injectors.
33
20% Fewest Trips Most Trips
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2009 BMW 328 50 328s, 9.5 months of data per 328, average 45700 miles

Average odometer reading much lower for the M3. 335i might have a common problem with the fuel injectors.
48
40% Fewest Trips Most Trips
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2008 Audi A4 42 A4s, 9.7 months of data per A4, average 61800 miles44
30% Fewest Trips Most Trips
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2008 Audi S4 / RS4   10 S4 / RS4s, 9.4 months of data per S4 / RS4, average 53600 miles

* Very small sample size.
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2008 BMW M3 27 M3s, 9.7 months of data per M3, average 37200 miles

Average odometer reading much lower for the M3.
27
10% Fewest Trips Most Trips
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2008 BMW 335 51 335s, 8.6 months of data per 335, average 55600 miles

Average odometer reading much lower for the M3.
77
70% Fewest Trips Most Trips
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2008 BMW 328 45 328s, 8.6 months of data per 328, average 63700 miles

Average odometer reading much lower for the M3.
84
80% Fewest Trips Most Trips
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2007 Audi S4 / RS4   21 S4 / RS4s, 10.2 months of data per S4 / RS4, average 57600 miles

* Small sample size.
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2007 Audi A4 44 A4s, 9.9 months of data per A4, average 69300 miles85
70% Fewest Trips Most Trips
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2007 BMW 335 55 335s, 8.7 months of data per 335, average 68600 miles60
40% Fewest Trips Most Trips
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2007 BMW 328 62 328s, 9.0 months of data per 328, average 69100 miles84
70% Fewest Trips Most Trips
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2006 Audi S4   15 S4s, 9.7 months of data per S4, average 69300 miles

* Small sample size.
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2006 Audi A4 66 A4s, 9.1 months of data per A4, average 92500 miles

Includes 2005.5. First model year of the B7 A4.
100
80% Fewest Trips Most Trips
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2006 BMW 3-Series 2dr   18 3-Series 2drs, 10.7 months of data per 3-Series 2dr, average 65200 miles

* Small sample size.
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2006 BMW 3-Series 4dr 79 3-Series 4drs, 8.7 months of data per 3-Series 4dr, average 86000 miles

First year for the E90 4-door.
68
50% Fewest Trips Most Trips
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2005 Audi S4   17 S4s, 9.6 months of data per S4, average 75200 miles

* Small sample size.
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2005 Audi A4   18 A4s, 8.4 months of data per A4, average 90800 miles

* Small sample size.
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2005 BMW M3   11 M3s, 10.6 months of data per M3, average 65700 miles

* Very small sample size.
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2005 BMW 3-Series 34 3-Series, 8.7 months of data per 3-Series, average 91700 miles

Average odometer reading much lower for the M3.
81
60% Fewest Trips Most Trips
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2004 Audi A4 26 A4s, 9.4 months of data per A4, average 105400 miles78
40% Fewest Trips Most Trips
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2004 Audi S4   22 S4s, 9.6 months of data per S4, average 90200 miles

* Small sample size.
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2004 BMW M3   15 M3s, 10.6 months of data per M3, average 85900 miles

* Small sample size.
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2004 BMW 3-Series 57 3-Series, 9.2 months of data per 3-Series, average 102600 miles

Average odometer reading much lower for the M3.
119
90% Fewest Trips Most Trips
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2003 Audi A4 27 A4s, 7.6 months of data per A4, average 124200 miles64
20% Fewest Trips Most Trips
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2003 BMW 3-Series 35 3-Series, 9.7 months of data per 3-Series, average 99700 miles

Average odometer reading much lower for the M3.
138
100% Fewest Trips Most Trips
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2002 Audi S4   10 S4s, 8.9 months of data per S4, average 94200 miles

* Very small sample size.
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* Very small sample size.
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2002 Audi A4 35 A4s, 8.9 months of data per A4, average 141500 miles

First model year of the B6 A4. S4 still B5.
147
100% Fewest Trips Most Trips
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2002 BMW M3   11 M3s, 9.9 months of data per M3, average 81700 miles

* Very small sample size.
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2002 BMW 3-Series 35 3-Series, 9.8 months of data per 3-Series, average 113400 miles

Average odometer reading much lower for the M3.
112
70% Fewest Trips Most Trips
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2001 Audi A4 / S4   13 A4 / S4s, 7.5 months of data per A4 / S4, average 129000 miles

* Very small sample size.
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2001 BMW 3-Series 45 3-Series, 9.2 months of data per 3-Series, average 132600 miles73
30% Fewest Trips Most Trips
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2000 Audi A4 / S4   14 A4 / S4s, 9.1 months of data per A4 / S4, average 145100 miles

* Very small sample size.
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* Very small sample size.
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2000 BMW 3-Series 32 3-Series, 7.6 months of data per 3-Series, average 141300 miles93
50% Fewest Trips Most Trips
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1999 Audi A4 / S4   14 A4 / S4s, 6.1 months of data per A4 / S4, average 153500 miles

* Very small sample size.
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* Very small sample size.
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1999 BMW 3-Series - E46   10 3-Series - E46s, 10.1 months of data per 3-Series - E46, average 164000 miles

* Very small sample size.
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What People Are Saying about Reliability and the Audi A4 / S4 / RS4

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What Our Members Are Saying about Audi A4 / S4 / RS4 Reliability and Durability

Reliability and Durability of the Audi A4 / S4 / RS4: Pros
YearBody/PowertrainComment
2010 4dr Wagon turbocharged 211hp 2.0L I4
6-speed shiftable automatic AWD
65,000 miles and not a single problem other than routine oil changes and tires. My BMW 335i is always in the shop and is a maintenance nightmare.
2006 4dr Sedan turbocharged 200hp 2.0L I4
6-speed manual AWD
This car is bullet-proof. End of story. The B7 A4 is the evolution of B6/B7 platform and most of the kinks are ironed out in the final years. No worries here.
2006 4dr Sedan turbocharged 200hp 2.0L I4
6-speed shiftable automatic AWD
Like that I can drive an Audi for 6+ years/100k+ miles and still feel safe.
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed manual AWD
So far, perfect
2005 2dr Convertible 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
so far so good, but I have only had the car less than a month, too soon to tell
2002 4dr Sedan turbocharged 170hp 1.8L I4
5-speed manual AWD
120k miles + and counting, no major issues
Reliability and Durability of the Audi A4 / S4 / RS4: Cons
YearBody/PowertrainComment
2010 4dr Sedan turbocharged 211hp 2.0L I4
6-speed shiftable automatic AWD
Very expensive to fix and not with the same history of reliability as Benz.
2007 4dr Sedan turbocharged 200hp 2.0L I4
6-speed shiftable automatic AWD
My second A4 is better than the last, but I am glad I leased instead of buying. Reliability is just not world class.
2006 4dr Sedan 340-horsepower 4.2L V8
6-speed manual AWD
Do not buy one of these used unless the timing chain pre-tensioners have been replaced. There are a lot of complaints of these breaking at 100,000 miles. Mine went at 99,100 miles and the dealer quoted me $10,000 to fix. I had to sell this car at a loss. What a waste!
2006 4dr Sedan turbocharged 200hp 2.0L I4
6-speed shiftable automatic AWD
Not reliable, lots of dealer visits,
2005 4dr Sedan turbocharged 170hp 1.8L I4
5-speed shiftable automatic AWD
In the shop 10 times during last seven months. Towed 4 times because not drivable
2005 4dr Sedan 340-horsepower 4.2L V8
6-speed manual AWD
The two cars I looked at were low mileage 2005s, CPO, and both had full service history, of which there was a lot. Both cars noted cooling issues and problems with the steering system repaired under warranty. Also numerous electrical problems.
2004 4dr Sedan turbocharged 170hp 1.8L I4
5-speed shiftable automatic AWD
Reputation for mechanical problems and expensive repairs
2003 4dr Wagon turbocharged 170hp 1.8L I4
5-speed manual AWD
The car is not reliable - sensors, electrics, etc.
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
The high tech nature of these cars requires somewhat more attention to maintenance.
2002 4dr Sedan 220-horsepower 3.0L V6
6-speed manual AWD
Had to have many repairs before all the bugs worked out - now seems reliable (knock on wood)

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What Our Members Are Saying about BMW 3-Series Reliability and Durability

None of our members have yet commented on the reliability and durability of the BMW 3-Series.

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