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Within its class, the C8 (and CTS V) earned the JD power award for “initial quality”. Yes there have been problems with some C8’s. Their owners concerns are very appropriate. However, those cases seem to be (rightfully) vocal outliers, compared to other vehicles in its class.
“The Chevy Corvette Stingray beat out two of its closest rivals to top its category in the annual J.D. Power Study – the Porsche 718 and the Lexus LC. The Porsche 911, long considered the most direct rival to the Chevy Corvette, is notably absent from the top three.“
CR should stick to to their expertise , which is testing toasters or vacuum cleaners !
I used their toaster and vacuum reports in the past as no good sources for real info. But their camera and car reviews were so bad, thought heck if they can’t understand those products why am I trusted them of washer dryers, refrigerators etc. probably been 30+ years since I looked at any!
So - I looked at that actual consumer reports article. Am I reading it wrong? The reliability data is based on actual customer surveys. They show no reliability data for 2020 or 2021. They show above average reliability for 2019. 2014 thru 2017 show above, below, and average results depending on the year. They are choosing to make a non-recommendation based on " its—and Chevrolet’s—inconsistent reliability history." I interpret this to say, that in absence of any data at all on the new model, and because previous model years have shown variable reliability, they dont recommend it. Thats pretty consistent with how they treat all cars - especially new models. Other than that, they say its pretty good dont they? I do agree with others about the "reliability" of consumers ratings - I use them, but I also carefully read what actual consumers have reported. They are frequently at odds. I once bought some Pirelli tires based on consumer reports, and they turned out to have a terrible hydroplaning feature.
A lot of the stuff they brought up was a one off that made heavy rounds through the internet (like the mismatched boomerangs that happened only once but got a lot of airplay).
The engine valve springs was acrossed multiple models and was caught rather quickly.
Overall not bad given it’s about 95% different in every way from any other GM product and most of those issues were within the first 9 months of a brand new generation.
Toyota benefits from keeping 95% of their design the same every generation, but they also always seem behind the curve in innovation.