Corvette Stingray Launch Promo | Michelin

"The C7 is capable of the same track times as the C6 Grand Sport, and does it with narrower and lighter tires." 

Chevrolet and Michelin

Current C6 Grand Sport

Front: 18 x 9.5s with 275/35/18
Rear: 19 x 12s with 325/30/19

2014 C7 Stingray Coupe

Front: 18 x 8.5 with 245/40/18
Rear: 19 x 10 with 285/35/19
(Same sizes as current C6 Corvette base model)

2014 C7 Coupe with Z51 Performance Package

Front: 19 x 8.5 with 245/35/19
Rear: 20 x 10 with 285/30/20