When BMW rolled out the XM Concept in November of 2021, you, our dear readers, were swift in your condemnation. But while everyone piled on the polarizing design, there were few critiques surrounding the plug-in hybrid powertrain. Packing 750 horsepower and 737 pound-feet of torque from a twin-turbo 4.4-liter V8 and an electric motor, the XM Concept sounded like every bit the rival to hot, hybridized Porsche Cayennes.
