2025 Bmw M4 Competition Xdrive. There's the competition xdrive, which gets a power boost — 523 hp — for 2025. Detailed specs and features for the 2025 bmw m4 convertible competition xdrive including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.

That’s an extra 20 hp compared to the late model. There’s the competition xdrive, which gets a power boost — 523 hp — for 2025.