Complex sentence: It is ranked among the fastest production cars of its time, competing cars in this class, however, used engines with almost twice the volume, and fuel consumption of 20 liters per 100 km (11.8 mpg).
Split into simpler sentences: It is ranked among the fastest production cars of its time. Competing cars in this class, however, used engines with almost twice the volume, and fuel consumption of 20 liters per 100 km (11.8 mpg).