Aussie Version Of Chevy SS May Get C6 Corvette ZR1’s 638-Horsepower V-8

The Chevrolet SS muscle sedan’s Australian cousin, the Holden Commodore, already has a high-performance variant built by HSV that’s fitted with the 580-horsepower 6.2-liter LSA V-8 engine common to the fifth-gen Camaro ZL1 as well as previous Cadillac CTS-V models. The car is called the GTS, and it’s currently the most powerful…

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Aussie Version Of Chevy SS May Get C6 Corvette ZR1’s 638-Horsepower V-8