- High Spec Example - Including Bowers & Wilkins Diamond Surround Sound System (£4,675) & Driving Assistant Professional (£1,650) - 1 Owner from New - UK Supplied The BMW M8 Competition Convertible is the blend of performance and practicality that BMW customers are always looking for. Offering speed, agility, and excitement in a comfortable four-seater configuration makes the M8 a must-have for your driveway. Under the hood, the M8 Competition Convertible boasts a 4.4-liter twin-turbo V8 engine that produces a whopping 617 horsepower and 553 lb-ft of torque. This impressive powerplant allows the M8 Competition Convertible to go from 0 to 62 mph in just 3.3 seconds, meaning you will never tire of its performance and straight-line speed. With a press of the inviting red starter button, you enter a world of pure driving enjoyment. The M8 Competition Convertible isn’t just for pushing the limits of grip and power, but it is a capable GT car, and with the roof down it transforms into a luxury convertible that is capable of travelling at great speeds with little compromise on comfort. The soft leathers and precisely engineered cabin gives the M8 a lavish feeling, with plenty of creature comforts included, allowing you to sit back, relax, and take in the views of the sky.