BMW M4 Price in USA Starting From USD 170,000 to USD 176,000. The BMW M4 is a new Coupe Car that comes with an Externally excited TwinPower Turbo 6 Cylinder Engine, 502hp Engine Power and 650Nm Torque of engine. Its ABS (Anti-lock braking system) Brake and Adaptive Suspension. Its mileage depending upon the variants and fuel type.