I have a set of 225-40/18 Continental ContiSportContact 2 which I took off when I got my 09 Cobalt, cause I got a set of all season for it. The tires are literally brand new, it was on the car for like a week before I got the all season tires.
Selling it as a set of 4 for $600
Spec:
Size: 225/40ZR18
Load Range: XL
Blackwall
ZR Speed Rated
Serv. Desc: 92Y
UTQG: Treadwear: 280
Traction: AA
Temperature: A280 AA A