C6 Wheel Sizes / Offset options
Thread Starter
Le Mans Master
Joined: Jul 2004
Posts: 7,163
Likes: 61
From: NH
St. Jude Donor '14
C6 Wheel Sizes / Offset options
First, I've been searching through old threads for about an hour and can't come up with definitive answers so if there IS a thread out there that answers all the wheel/tire combinations possible, I'd love to see it.
Stock C6 Rim Sizes & Offsets:
Non-Z51: 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
Z-51: 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
Aftermarket C6 Rim Sizes & Offsets (max):
Non-Z51:
Z-51:
Stock Widebody C6 Rim Sizes & Offsets:
Aftermarket C6 Rim Sizes & Offsets (max):
Someone help me fill in this information correctly and definitively! I'm shopping rims/tires for my '05 C6 and from what I've read, an 11" wheel on the back will stick out beyond the fender. 19x9.5 and 20x10.5 seem like the most common C6 aftermarket wheel sizes but I'm not sure of the correct offsets for those sizes. Help is appreciated, of if there is already a thread out there, that works too!
Stock C6 Rim Sizes & Offsets:
Non-Z51: 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
Z-51: 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
Aftermarket C6 Rim Sizes & Offsets (max):
Non-Z51:
Z-51:
Stock Widebody C6 Rim Sizes & Offsets:
Aftermarket C6 Rim Sizes & Offsets (max):
Someone help me fill in this information correctly and definitively! I'm shopping rims/tires for my '05 C6 and from what I've read, an 11" wheel on the back will stick out beyond the fender. 19x9.5 and 20x10.5 seem like the most common C6 aftermarket wheel sizes but I'm not sure of the correct offsets for those sizes. Help is appreciated, of if there is already a thread out there, that works too!
Last edited by Draven; Mar 2, 2012 at 07:42 AM.
Race Director
Joined: Oct 2007
Posts: 11,367
Likes: 211
From: Edgewood Washington
St. Jude Donor '11-'12-'13-'14-'15
A list all of all of the possible tire/wheel combinations has never been posted here, at least I've never seen it.
Stock base model F/R is 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
You can put 18X9.5/+53 w/275/35 (25.6 dia.) tires & 19X11/+79 w/325/30 (26.7 dia.) tires on the base car with no rubbing of the fenders.
I do not believe Z51 brakes are a problem but bigger Z06 brakes may be an issue with some wheel brands/models.
Front to rear tire diameter ratios need to stay relatively close to OEM to avoid AH intervention.
Tire diameters listed are as per the Tire Rack. A great resource for this stuff, by the way.
Stock base model F/R is 18X8.5/+56 w/245/40 (25.7 dia.) tires & 19X10/+79 w/285/35 (26.9 dia.) tires
You can put 18X9.5/+53 w/275/35 (25.6 dia.) tires & 19X11/+79 w/325/30 (26.7 dia.) tires on the base car with no rubbing of the fenders.
I do not believe Z51 brakes are a problem but bigger Z06 brakes may be an issue with some wheel brands/models.
Front to rear tire diameter ratios need to stay relatively close to OEM to avoid AH intervention.
Tire diameters listed are as per the Tire Rack. A great resource for this stuff, by the way.
Thread Starter
Le Mans Master
Joined: Jul 2004
Posts: 7,163
Likes: 61
From: NH
St. Jude Donor '14
Race Director
Joined: Oct 2007
Posts: 11,367
Likes: 211
From: Edgewood Washington
St. Jude Donor '11-'12-'13-'14-'15
I don't know if the larger diameter wheels will still fit.
I just listed specs from wheels that are sold by Forum Vendors that are known to fit.
I'd call CCW and check wtih them. They always get it right and have many styles to choose from.
I just listed specs from wheels that are sold by Forum Vendors that are known to fit.
I'd call CCW and check wtih them. They always get it right and have many styles to choose from.
Burning Brakes
Joined: May 2012
Posts: 812
Likes: 1
so this wheel should fit on a base model C6/non Z51??? i want to run a wider tire and if i dont have to spend the mullah on wider fenders that would be great.
here is what im looking at.
http://www.meanrims.com/incEngine/?n...uct=1030213210
here is what im looking at.
http://www.meanrims.com/incEngine/?n...uct=1030213210
Drifting
Joined: Sep 2004
Posts: 1,912
Likes: 33
From: S.D. CA
so this wheel should fit on a base model C6/non Z51??? i want to run a wider tire and if i dont have to spend the mullah on wider fenders that would be great.
here is what im looking at.
http://www.meanrims.com/incEngine/?n...uct=1030213210
here is what im looking at.
http://www.meanrims.com/incEngine/?n...uct=1030213210
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 26
From: Austin Texas
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Drifting
Joined: Aug 2007
Posts: 1,368
Likes: 18
hoping to move to a 11 inch rear this winter. I'm at 415whp now and with super sports they barely hang on. Planning to bump that about 60ish whp, so I definitely need to do something about the tires. Just debating whether or not to widen the stock rims or just buy new rims. I do love my gunmetal on atomic orange stick wheels.
I was was looking at a picture of a lemans blue c6 with some gorgeous gunmetal wheels. Looked almost like volk te37 but I don't think that's what they were. Anyone know the car I'm talking about and which rims those are by chance?
I was was looking at a picture of a lemans blue c6 with some gorgeous gunmetal wheels. Looked almost like volk te37 but I don't think that's what they were. Anyone know the car I'm talking about and which rims those are by chance?
1st Gear
Joined: Apr 2020
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