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BMW Z3 vs. Audi A5 / S5 Reliability

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Results are for year ending March 31, 2016. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year Make/Model Repair Trips Per 100 Cars Compared to all models for the same year    
2015 Audi A5 / S5 21
30.7453416149% 30.7453416149% Fewest Trips Most Trips
[?] see reported repairs
  34 A5 / S5s, 8.5 months of data per A5 / S5, average 9100 miles

 

2014 Audi A5 / S5 22
28.8571428571% 28.8571428571% Fewest Trips Most Trips
[?] see reported repairs
  56 A5 / S5s, 9.9 months of data per A5 / S5, average 17500 miles

 

2013 Audi A5 / S5 41
56.6666666667% 56.6666666667% Fewest Trips Most Trips
[?] see reported repairs
  109 A5 / S5s, 9.7 months of data per A5 / S5, average 31600 miles

Refreshed for this model year.

 

2012 Audi S5 32
35.7142857143% 35.7142857143% Fewest Trips Most Trips
[?] see reported repairs
  55 S5s, 8.9 months of data per S5, average 41000 miles
2012 Audi A5 35
41.0714285714% 41.0714285714% Fewest Trips Most Trips
[?] see reported repairs
  36 A5s, 9.6 months of data per A5, average 46800 miles

 

2011 Audi A5 31
29.1836734694% 29.1836734694% Fewest Trips Most Trips
[?] see reported repairs
  39 A5s, 8.9 months of data per A5, average 60400 miles

Most of the cars in this sample are A4s or S4s. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated piston rings.
2011 Audi S5 61
78.1632653061% 78.1632653061% Fewest Trips Most Trips
[?] see reported repairs
  48 S5s, 8.6 months of data per S5, average 54900 miles

Most of the cars in this sample are A4s or S4s. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated piston rings.

 

2010 Audi A5 3.2 / S5 61
65.7142857143% 65.7142857143% Fewest Trips Most Trips
[?] see reported repairs
  55 A5 3.2 / S5s, 9.6 months of data per A5 3.2 / S5, average 57000 miles

Most of the cars in this sample are A4s or S4s. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated piston rings.
2010 Audi A5 2.0T 64
70% 70% Fewest Trips Most Trips
[?] see reported repairs
  27 A5 2.0Ts, 9.0 months of data per A5 2.0T, average 67700 miles

Most of the cars in this sample are A4s or S4s. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated piston rings.

 

2009 Audi A5 / S5 53
36.8131868132% 36.8131868132% Fewest Trips Most Trips
[?] see reported repairs
  31 A5 / S5s, 9.5 months of data per A5 / S5, average 67700 miles

Most of the cars in this sample are A4s. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated piston rings.

 

2001 BMW Z3 36
4.94505494505% 4.94505494505% Fewest Trips Most Trips
[?] see reported repairs
  30 Z3s, 9.0 months of data per Z3, average 84400 miles

Like other sports cars, low average odometer reading.

 

2000 BMW Z3   small sample, members only   see reported repairs
  17 Z3s, 3.6 months of data per Z3, average 99400 miles

* Small sample, members only.

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BMW Z3 vs. Audi A5 / S5 Reliability Comparisons

You won't find BMW Z3 or Audi A5 / S5 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the BMW Z3 and the Audi A5 / S5 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track BMW Z3 and Audi A5 / S5 reliability as the cars age. Others tell you how reliable the BMW Z3 and the Audi A5 / S5 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 BMW Z3 and the Audi A5 / S5 have been recently.

What Our Members Are Saying about the Reliability and Durability of the BMW Z3

BMW Z3 Reliability and Durability: Pros
YearBody/PowertrainComment
2000 2dr Convertible 170-horsepower 2.5L I6
4-speed automatic RWD
Car of the year in 2000. Best Consumer Reports value for 5 years in a row for its class. Model Rating - Overall 4 stars Trim Rating - Overall 5 stars Appearance 5 stars Comfort 5 stars Performance 5 stars Reliability 5 stars
2000 2dr Convertible 193-horsepower 2.8L I6
4-speed automatic RWD
I got over a 150K miles and only minor items less then $500 dollars on repairs other then tires and brakes
BMW Z3 Reliability and Durability: Cons
YearBody/PowertrainComment
2000 2dr Convertible 193-horsepower 2.8L I6
5-speed manual RWD
I experienced continued problems with the A/C system and the engine cooling system. Also, the rag top did not hold up well and developed a leak.
 

What Our Members Are Saying about the Reliability and Durability of the Audi A5 / S5

Audi A5 / S5 Reliability and Durability: Cons
YearBody/PowertrainComment
2010 2dr Coupe turbocharged 211hp 2.0L I4
6-speed manual AWD
Questionable Audi reliability.
2009 2dr Coupe turbocharged 170hp 2.0L I4 Diesel
6-speed manual AWD
Reliability is questionable. Engine has already stopped on idle rpm once right after a start-up, oil level was temporarily unavailable on display, one of the headlights is no longer waterproof (moist inside). Odometer is currently only 4000 miles.
2008 2dr Coupe 354-horsepower 4.2L V8
6-speed manual AWD
I have had this car repaired over 10 times. Clutch (multiple times), door electronics, dealer incompetence, Catalytic converter, misfires, power window issues, A/C freezing issues all before 45k miles.