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Pontiac G6 vs. Pontiac G8 Reliability Comparisons

You won't find Pontiac G6 or Pontiac G8 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Pontiac G6 and the Pontiac G8 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Pontiac G6 and Pontiac G8 reliability as the cars age. Others tell you how reliable the Pontiac G6 and the Pontiac G8 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 Pontiac G6 and the Pontiac G8 have been recently.

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What People Are Saying about Reliability and the Pontiac G6

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What Our Members Are Saying about the Reliability and Durability of the Pontiac G6

Pontiac G6 Reliability and Durability: Pros
YearBody/PowertrainComment
2009 4dr Sedan 164-horsepower 2.4L I4
6-speed shiftable automatic FWD
I previously owned a 2005 G6 for 4 years and 70,000 miles and had ZERO problems with this car.
2007 4dr Sedan 169-horsepower 2.4L I4
4-speed automatic FWD
have over 40,000 and no repairs other then replacing a visor mirror, remote start key fob
Pontiac G6 Reliability and Durability: Cons
YearBody/PowertrainComment
2007 2dr Hardtop conv. 217-horsepower 3.5L V6
4-speed shiftable automatic FWD
From the surveys I have seen, the Solara (Camry) has an edge in reliability over the G6. In addition, on test drive, the retractable hardtop stalled the first time we attempted to close it. We had to open it again and retry closing it.
2007 4dr Sedan 169-horsepower 2.4L I4
4-speed automatic FWD
Have had it in the shop 4 times. New Rag n pinion, control arm bushings, power lock and passenger window control, Power steering, Now the Drive shaft! All before 35,000 miles
2006 4dr Sedan 201-horsepower 3.5L V6
4-speed shiftable automatic FWD
The OE tires are starting to get loud with very low mileage on them. As mentioned above, the rattling noise from the loose screws makes for a very long drive. It took five visits before GM corrected the problems.
2006 4dr Sedan 201-horsepower 3.5L V6
4-speed shiftable automatic FWD
Airbag sensor failed, had to be replaced twice.
 

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
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.
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.
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?