The ’13 GT500’s power increase comes from a combination of new aluminum-block 5.8L (355 cubic inches) V-8 and an increased capacity Twin Vortices Series 2300 supercharger with 14 psi of boost ...

The 2020 Ford Mustang Shelby GT500 will offer 760 horsepower for a starting price of $73,995. That includes a $2600 gas-guzzler tax, and it makes this supercharged V-8 Mustang $12,460 more ...