When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Whatever you do, do not go with the 295/30R18 that Spd recommended. It'll look stupid riding on that low of a profile. As for me, I went with a 295/40R18 on the C5 DD 18x10.5's.
OOPS!
I meant 295/35/18. Yes, 295/30/18 would look stupid.