semperfi1946 Thanks for sharing, especially GM's chairman reply to your much needed letter to her.

 

The big key issues on the C8 were supplier related (Valve spring - supplier, Seat belt tensioning - supplier, Brake boost contamination - supplier). So what GM has to do is improve on supplier quality (otherwise known as APQP - those working in quality will know what that means). The issue with GM is the selection of lower cost suppliers for bigger profit margin (all big companies do this including mine). We also have to realize that 2020 has been a wacked year. Covid definitely impacted quality across the board (production starts and stops wreak havoc on quality - at GM and the suppliers).

I do agree with your comment about unions (I work in a company that has to deal with UAW), but I will admit, all the fit and finish issues EARLY on the C8 have been resolved on my car (around 9000 VIN). These being stitching, panel gaps, wrong length bolt, paint issues - none of these issues are on my car...so I believe GM has implemented changes to address these (which would be assembly related / union related). Companies typically implement continuous improvement as opposed to waiting to implement fixes on the next model year. So there will be nothing drastically different in quality between the cars built at the end of 2020 model year and the early 2021 model year. Also wanted to point out that 2021+ could have supplier quality issues as well.

Reason why you do not see issues with Lexus, is the culture in Japan. My company has facilities there, and we try to replicate the quality culture to other facilities WW, and it can NOT be done. Japan people feel honored in their job and remain in their job forever. When traveling there, even the custodial engineers take pride in their work. All my other cars are Japanese (Mazda, Toyota)...but this C8 was a game changer and so now I am a proud owner of an American design and built product.

 

Most of the C8's problems are due to poorly built, QC'd and delivered products from vendors, not GM's inept or inadequate quality control. Except for the frunk release problem, GM's design is rock solid, thus far. I do understand that in the end GM retains responsibility for the C8 in its entirety. Just saying...

PS: not a GM fan-boi by any means.

 

ummm.. Tesla has huge quality control issues. Paint issues, panel gap issues, headliners falling down. Just Google or watch YouTube. Watch the latest Savagegeese review of the Model3. I’m not excusing GM, but I would daresay they are still far ahead of Tesla.

Lexus and Porsche are far more expensive vehicles. Apples to oranges.

 

I’m experiencing vibrations when almost coming to a complete stop and when letting off the brake slowly to accelerate. For example when pulling into the garage to park I will feel vibrations coming from the front that I can feel in the body of the vehicle, not the steering wheel. Is anyone else experiencing this?

 

I think most car manufacturers experience problems in some way, shape or form with their vehicles. When I toured the plant in Bowling Green several years ago one of the things they emphasized was quality control. Admittedly, I have OCD and have an eye for detail that drives most people crazy. If I can see things such as flaws in paint, panel fitment issues, etc., etc., why can't GM's "quality control" inspectors? Semperfi1946 mentioned Japanese workers having pride in their jobs and in what they do. I think that's the key. For many of those in our country, a job is just a means to pay bills and put food on the table. Nothing more. Nothing less. When I do something, it's a reflection on me and my work ethic. I think for the most part we've lost that. Maybe I'm getting old and expect too much. When I pay $100,000 for a car, I expect a much higher degree of workmanship and quality than in a Spark or Sonic.

 

I’m not an engineer, it seems to me most of these issues are rather small excluding the Frunk and break contamination.

 

I would consider seat belts not retracting correctly in a crash a pretty large potential issue

 

Seems to me people don’t crash that often. That could be blamed on the driver/drivers I agree belts are important and should work and I want mine to work.

 

My car has done that from the beginning.
It was strange and disconcerting at first, but I have assumed that it is a characteristic of the DCT?
If someone knows the answer, I'd love to know.

 

I've had Corvettes my whole life. I still own my first one, a 69 L-46.

In the ensuing 45 years ONE THING I HAVE LEARNED....NEVER buy the first year.. The poor 68 guys are STILL dealing with 'one year parts and processes', Rushed engineering, lack of budget, lack of learning. As I watched the gestation of the C-8...it have said to myself...This would be the last Corvette I buy. I'd rather buy a USED '21 than a new '20.

Then I see these slimy flipper guys posting their cars (or even ORDER NUMBERS) on Craigslist and other outlets for $80-90-110,000....... will they never learn?

It never pays to be the first guy on the block with a new body-style Corvette.

This is an excellent CAVEAT EMPTOR THREAD.

Unkahal

 

Update @C8-yaLater ? Replace transmission? Why’d it take so long?

 

There is a huge Tesla service and repair center a couple of blocks from my office....they are MOBBED!.....Tesla 'quality' is a MYTH...it doesn't exist. Tempe AZ

Wrong company to compare quality with. $135,000 POS.

 

I would think any vibrations you're feeling through the body/chassis is not good (except in a Harley). BMW DCT optioned cars don't have that characteristic. I'd have it checked at the dealer.

 

Friend has a model 3. Quality is passed of as that is the way it was designed. NO PAINT inside door jambs per design. Seriously? He's had a whole slew of QC finish issues,... Makes some of what I've seen here as too picky in comparison.

 

I posted this in valve thread, but probably should have been here.

Have any of the problems (valve spring, power breaker, and seat belt) occurred after 500 miles?
What is the current status of these 3 (? ongoing) problems?

 

Built in a Tent under duress. You expected quality? The news stories of 'appliances' in W.I.P were astounding. Parking lots full of cars waiting to be finished....Stock is valued more than all of GM.....fishy? NAH!

 

The latest problem WITH THE CURSED C8 is the "brake by wIre" system that is failing, resulting in yet another stop order. There is a reason many sports cars do not use this "Brake By Wire" system-BRAKES ARE THE MOST IMPORTANT SYSTEM ON A CAR!!!!! The never ending problems with the C8-in this day of sophisticated CAD and Virtual AI Engineering-is just completely unacceptable. It is so sad that GM a corporation making cars for over 100+ years - cannot make a car as reliable and with the fit and finish and engineering of fairly new car companies such as Lexus, or even Genesis. The GM first year model and recall record is pretty atrocious, given who they are. I am tempted to cancel my 2021 order and wait as usual for 3 or 4 years to go by before they get their act together.

 

My desire for a C8 is waning. Maybe in a few years. I'm not an early adopter.

 

@semperfi1946 it was 38 cars in the first 3000 VINs. Stop the bullshit.