Tire life
Race Director
Joined: Jan 2005
Posts: 13,934
Likes: 4,257
From: NC
I just replaced my fronts (base suspension) at 13,000 miles, they maybe had another 1,000 miles but with winter (rain) coming...Rears are good, at least another 5K left in them I would guess. Tire life is based on so many variables.
Last edited by jimmyb; Dec 8, 2016 at 06:38 PM.
Team Owner
Joined: Apr 2013
Posts: 26,243
Likes: 4,362
From: Chirper Island
35,000 on fronts, 45,000 on rears, and no, I don't drive like a little old grandma, just the opposite. I don't do burnouts, but I drive spiritedly enough that my lifetime mpg is only 18.
One thing I do, that most don't, is get very frequent alignments.
One thing I do, that most don't, is get very frequent alignments.
Racer
Joined: Aug 2013
Posts: 379
Likes: 4
From: Manteca Ca
My 2013 G/S front tires lasted 11,000 then I changed to Michelins and get great wear out of the front and backs. Now with my Stingray it came with Michelins so I expect atleast 25K out of them. The only bummer is run flats are expensive in the G / S sizes. It cost 2500.00 for a set of 4
Moderator emeritus
Joined: Jun 2001
Posts: 18,599
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
Racer
Joined: Jun 2013
Posts: 275
Likes: 50
From: Bellingham WA
Me too
Got over 30,000 miles on 2012 C6 tires, still had some miles left when I traded for 2015 Z51. Have 22,600 on this car and expect to get at least 30,000 out of them. Plan to go to the AS3+ when I replace these. 🦁
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Le Mans Master
Joined: Jun 2002
Posts: 6,433
Likes: 3,623
From: Commerce Texas
I've been driving Corvettes for 26 years, have amassed more than 600,000 miles on Corvettes - I get between 28,000 and 40,000 miles on tires, generally around 35,000....
My last C6 had 123,000 miles on it and had 30% brake pads left...
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
I see where most of the replies are for the tires on either the base C7 or the C7 Z51. The OP asked about the tire life on the C7 Grand Sport. If the C7 Grand Sport is anything like the C6 Grand Sport(or the C6 Z06 which had the same tires as the C6 GS), tire life will definitely be shorter than the tire life of the narrower tires used on the base C7 and the Z51. In addition, the GS has a more aggressive alignment than the base C7 or the Z51, which can affect tire life.
It's a little to soon to see what the maximum tire life is on the 2017 GS.
It's a little to soon to see what the maximum tire life is on the 2017 GS.
Last edited by JoesC5; Dec 13, 2016 at 08:55 AM.
Drifting
Joined: Dec 2013
Posts: 1,519
Likes: 212
From: FL
Stock Z51 2015 Ordered Fronts from Tire Rack yesterday at 14000 miles. Down to wear bars on the inside. I do corner aggressively as I live in a rural area and get a lot of opportunities. I could take some caster out of the alignment and get another 5,000 from the fronts but would lose some handling.
Local Chevrolet dealer service representative stated that the average C7 customer are using two sets of front tires to one set of rears.
How you drive and alignment makes a huge difference.
Local Chevrolet dealer service representative stated that the average C7 customer are using two sets of front tires to one set of rears.
How you drive and alignment makes a huge difference.
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
Stock Z51 2015 Ordered Fronts from Tire Rack yesterday at 14000 miles. Down to wear bars on the inside. I do corner aggressively as I live in a rural area and get a lot of opportunities. I could take some caster out of the alignment and get another 5,000 from the fronts but would lose some handling.
Local Chevrolet dealer service representative stated that the average C7 customer are using two sets of front tires to one set of rears.
How you drive and alignment makes a huge difference.
Local Chevrolet dealer service representative stated that the average C7 customer are using two sets of front tires to one set of rears.
How you drive and alignment makes a huge difference.
I have Bridgestone run flats on my C6 Z06 that were developed specifically for the C6 Z06.
I now have around 37,000 miles on them and have around 3/32" of tread left and the fronts and rears are wearing evenly and the same tread depth. I run a little less camber front and rear than what GM says to use(but still more camber than what a base or Z51 C7 has). My front camber is -0.9 degrees and rear camber is -0.6 degrees. Front and rear toe as close to zero as possible(-0.08 degrees front and -0.02 degrees rear) I run to 160+MPH with that alignment without any problems(solid as a rock) and also do the twisties without any problems. As you can see I'm getting excellent tire wear and the wear on the front is very close to wear on the rear.
Unlike what your dealer told you, my fronts are rears are wearing very nearly the same, and that's with wider tires and more aggressive alignment vs the base C7 or C7 Z51.
The GM alignment numbers are extremely broad for the Corvette, so a new corvette can have widely varying alignments and the same goes for re-alignments.
Best to take the car to a shop that does precision alignments and have them align the car to exact centerline numbers, not to a number that falls within the wide +/- tolerance used by GM.
Last edited by JoesC5; Dec 13, 2016 at 11:14 AM.
