MegaMax is speculated to be a larger-displacing version of the 6.6L Duramax diesel that displaces 8.3 liters. It’s slated for GM’s next-generation full-size, heavy duty pickup trucks – the Chevy ...
Beyond the powertrain, the 2027 Corvette Grand Sport and Grand Sport X also differ in terms of performance hardware, braking, options, and standard equipment.