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Year Make/Model Repair Trips Per 100 Cars Compared to all models for the same year    
2015 Audi A5 / S5 27
30% 30% Fewest Trips Most Trips
[?]
  29 A5 / S5s, 6.1 months of data per A5 / S5, average 6200 miles

 

2014 Audi A5 / S5 21
20% 20% Fewest Trips Most Trips
[?]
  58 A5 / S5s, 9.0 months of data per A5 / S5, average 12100 miles
2014 Mercedes-Benz GLK-Class   Join or sign in to vie  
  17 GLK-Classes, 8.7 months of data per GLK-Class, average 12900 miles

* Small sample size, only visible to members.

 

2013 Audi A5 / S5 31
30% 30% Fewest Trips Most Trips
[?]
  105 A5 / S5s, 9.2 months of data per A5 / S5, average 24700 miles

Refreshed for this model year.
2013 Mercedes-Benz GLK-Class   Join or sign in to vie  
  21 GLK-Classes, 6.4 months of data per GLK-Class, average 28100 miles

* Small sample size, only visible to members.

 

2012 Audi A5 29
20% 20% Fewest Trips Most Trips
[?]
  34 A5s, 9.8 months of data per A5, average 40800 miles
2012 Audi S5 53
60% 60% Fewest Trips Most Trips
[?]
  53 S5s, 9.4 months of data per S5, average 36500 miles

 

2011 Audi A5 40
40% 40% Fewest Trips Most Trips
[?]
  41 A5s, 9.4 months of data per A5, average 53200 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 54
60% 60% Fewest Trips Most Trips
[?]
  48 S5s, 9.7 months of data per S5, average 49600 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 Mercedes-Benz GLK-Class   Join or sign in to vie  
  13 GLK-Classes, 10.1 months of data per GLK-Class, average 37600 miles

* Very small sample size, only visible to members.

 

2010 Audi A5 3.2 / S5 57
50% 50% Fewest Trips Most Trips
[?]
  58 A5 3.2 / S5s, 9.8 months of data per A5 3.2 / S5, average 56400 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 58
50% 50% Fewest Trips Most Trips
[?]
  31 A5 2.0Ts, 8.0 months of data per A5 2.0T, average 59600 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 Mercedes-Benz GLK-Class   Join or sign in to vie  
  16 GLK-Classes, 10.1 months of data per GLK-Class, average 51400 miles

* Small sample size, only visible to members.

 

2009 Audi A5 / S5 38
20% 20% Fewest Trips Most Trips
[?]
  36 A5 / S5s, 8.8 months of data per A5 / S5, average 65500 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.

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Mercedes-Benz GLK vs. Audi A5 / S5 Reliability Comparisons

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

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

What People Are Saying about Reliability and the Mercedes-Benz GLK

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What Our Members Are Saying about the Reliability and Durability of the Mercedes-Benz GLK

Mercedes-Benz GLK Reliability and Durability: Pros
YearBody/PowertrainComment
2010 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Our previous vehicle was a 2005 Mercedes Benz C-240. From a reliability standpoint, the C-240 was flawless. I am hoping the GLK will be as good as the C-240 was.
 

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.