REF Number : SI-013857. The 2017 BMW 4 Series 420i Coupe M Sport commands respect with a bold, athletic demeanor. It effortlessly marries power and efficiency. Its 2.0L turbocharged engine with 184hp propels it effectively, embodying the balance of sport and luxury. The 420i has a generous fuel tank capacity of 60 liters, boasting an estimated fuel economy of about 5.5 to 6.1 L/100km on combined cycle. Magnificent handling, coupled with the M Sport tuning, guarantees a thrilling ride. Its interior oozes sophistication and comfort. Truly, an engineering marvel worth every penny.