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Chevrolet Corvette vs. Porsche 911 Reliability

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Results are for year ending December 31, 2015. 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 Chevrolet Corvette 27
30% 30% Fewest Trips Most Trips
[?] see reported repairs
  28 Corvettes, 8.1 months of data per Corvette, average 4500 miles

Had been requiring fewer repairs in its second model year.

 

2014 Chevrolet Corvette 54
70% 70% Fewest Trips Most Trips
[?] see reported repairs
  39 Corvettes, 9.6 months of data per Corvette, average 7300 miles

Redesigned. Like other sports cars, low average odometer reading. Possible common problem with the infotainment display.

 

2009 Porsche 911   small sample, members only   see reported repairs
  15 911s, 7.7 months of data per 911, average 36400 miles

* Small sample, members only.

 

2008 Chevrolet Corvette 36
20% 20% Fewest Trips Most Trips
[?] see reported repairs
  29 Corvettes, 8.1 months of data per Corvette, average 40800 miles

Like other sports cars, low average odometer reading.

 

2007 Chevrolet Corvette   small sample, members only   see reported repairs
  21 Corvettes, 10.0 months of data per Corvette, average 40700 miles

* Small sample, members only.
2007 Porsche 911 46
20% 20% Fewest Trips Most Trips
[?] see reported repairs
  25 911s, 10.4 months of data per 911, average 45700 miles

Like other sports cars, low average odometer reading.

 

2006 Chevrolet Corvette   small sample, members only   see reported repairs
  18 Corvettes, 10.1 months of data per Corvette, average 44700 miles

* Small sample, members only.
2006 Porsche 911   small sample, members only   see reported repairs
  15 911s, 8.5 months of data per 911, average 39900 miles

* Small sample, members only.

 

2005 Chevrolet Corvette   small sample, members only   see reported repairs
  16 Corvettes, 8.4 months of data per Corvette, average 41900 miles

* Small sample, members only.

 

2004 Porsche 911   small sample, members only   see reported repairs
  11 911s, 10.2 months of data per 911, average 48600 miles

* Very small sample, members only.

 

2003 Porsche 911   small sample, members only   see reported repairs
  14 911s, 7.6 months of data per 911, average 53900 miles

* Very small sample, members only.

 

2002 Chevrolet Corvette   small sample, members only   see reported repairs
  13 Corvettes, 9.8 months of data per Corvette, average 57300 miles

* Very small sample, members only.
2002 Porsche 911 105
60% 60% Fewest Trips Most Trips
[?] see reported repairs
  28 911s, 9.4 months of data per 911, average 68300 miles

Like other sports cars, low average odometer reading. Multiple reports of window regulator replacements. Also some engine failures.

 

2001 Chevrolet Corvette   small sample, members only   see reported repairs
  10 Corvettes, 10.2 months of data per Corvette, average 63600 miles

* Very small sample, members only.
2001 Porsche 911   small sample, members only   see reported repairs
  15 911s, 6.0 months of data per 911, average 69500 miles

* Small sample, members only.

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Chevrolet Corvette vs. Porsche 911 Reliability Comparisons

You won't find Chevrolet Corvette or Porsche 911 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Chevrolet Corvette and the Porsche 911 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Chevrolet Corvette and Porsche 911 reliability as the cars age. Others tell you how reliable the Chevrolet Corvette and the Porsche 911 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 Chevrolet Corvette and the Porsche 911 have been recently.

What People Are Saying about Reliability and the Chevrolet Corvette

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What Our Members Are Saying about the Reliability and Durability of the Chevrolet Corvette

Chevrolet Corvette Reliability and Durability: Pros
YearBody/PowertrainComment
2007 2dr Hatch 400-horsepower 6.0L V8
6-speed manual RWD
2 Years and only oil changes and greased fittings.
2007 2dr Hatch 400-horsepower 6.0L V8
6-speed shiftable automatic RWD
Worry free! For the entire time I owned the car all I ever had to do was change the oil. I had to sell her when I had my first child. Reliability and fuel economy are just not the same on this new vehicle. Man, do I miss that car!
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
Absolutely trouble free, no noises or squeaks.
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
Not a single problem in 25K miles so far.
2004 2dr Coupe 405-horsepower 5.7L V8
6-speed manual RWD
Fantastic. The LS series engine is a marvel of low tech reliable engineering, light weight, reliable and fuel efficient. Other systems have been very reliable as well. Parts are cheap and readily attainable.
2003 2dr Coupe 405-horsepower 5.7L V8
6-speed manual RWD
Chevy 350 small block - classic, tested engine design and basically bullet proof
Chevrolet Corvette Reliability and Durability: Cons
YearBody/PowertrainComment
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
* Problems developed at 29K. Struts bad, plus wheel lock-up issue. * Traded it in on a used 2011.
 

What Our Members Are Saying about the Reliability and Durability of the Porsche 911

Porsche 911 Reliability and Durability: Pros
YearBody/PowertrainComment
2002 2dr Coupe turbocharged 415hp 3.6L H6
6-speed manual AWD
Porsches are built to last, this car just feels solid - the interior especially
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD
only fixed a gearbox undertray gasket, sway bar end links and regular service over 2.5 yrs.