BMW 6-Series 640i Cabrio High Executive Specifications
Complete technical specifications for the BMW 6-Series 640i Cabrio High Executive — 320 hp, petrol, convertible, 2015. Performance highlights: 0–100 km/h in 5.5 s, top speed 250 km/h (155 mph), consumption 7.7 l/100km (36.7 mpg UK · 30.5 mpg US).