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Pontiac G8 Powertrain and Chassis Reliability by Model Generation

Results are for year ending December 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 and Model Percent of Average  
2008 - 2009 Pontiac G8
0% Best 0% Worst
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What Our Members Are Saying about the Reliability And Durability of the Pontiac G8

Pontiac G8 Reliability And Durability: Pros
YearBody/PowertrainComment
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Solid proven engine platform upgraded since introduction in 1955. Proven American sports car application in Corvette. Also adopted to full size trucks. Transmission is modular construction providing common affordable, dependable parts with other models full 2009 Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Have had the car for 1 year and 25000 km and have had no problems what so ever. I think with reasonable care this vehicle should do me for at least 10 years or more. The engine is a proven design and the car is rear wheel drive. full 2009 Pontiac G8 review
Pontiac G8 Reliability And Durability: Cons
YearBody/PowertrainComment
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
Known camshaft issues and were not addressed until check engine light came on after 27000 miles. full 2009 Pontiac G8 review
2008 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Mine has been the worst quality vehicle I have ever owned. Multiple front suspension component failures, oil leaks from new, loud alternator whine in audio system, transmission 2-3 shift quality is horrible. This is 2009 right? full 2008 Pontiac G8 review