The big number attached to the 2025 BMW M5’s new drivetrain is 717, which represents its total output when all systems are go. It’s followed up by 738, an even loftier figure that describes the lb-ft ...
On either the Porsche or BMW. “The way the car has adapted and changed itself to cope with the additional weight… it’s not very ‘M5’” This has become a car defined by its control ...