Whenever MINI slaps the John Cooper Works handle on a model, you know that car means business. The JCW Challenge, a limited edition model made for the UK, pushes the performance envelope even further.

Pop the hood and you’ll see a familiar 2.0 TwinPower Turbo engine with 228 horsepower (231 PS) and 236 lb-ft (320 Nm) of torque. The sizzling fury that lies und…