Ce te faci sa crezi ca-l calca in picioare? Amandoua motoarele sunt un V8 de 3999 cmc la M3 si 4200 cmc la RS4 si 420 CP ambele, RS4 are avantajul doar la plecare ca este Quattro, iar in mers tractiunea spate isi spune cuvantul. M3 TECHNICAL Body: Coupe Engine: 3999 Fuel: U Transmission: 6-spd Power: 420@8300 Torque, lb ft: 295@3900 Driven Wheels: R PERFORMANCE Manual Top speed: 155 mph 0-62 mph: 4.8 seconds Fuel consumption: 22.8 mpg (combined cycle) DIMENSIONS Wheelbase: 2761 Length, mm: 4615 Width, mm: 181 Height, mm: 1418 Fuel Tank, litres: 63 Kerb Weight, kg: 1655 Gross Weight, kg: 2080 RS4 Engine Type: V8 Displacement cu in (cc): 254 (4163) Power bhp (kW) at RPM: 420(323) / 7800 Torque lb-ft (Nm) at RPM: 317(430) / 5500 Redline at RPM: 8250 Exterior Dimensions & Weight Length Ă Width Ă Height in: 179.0 Ă 70.8 Ă 55.2 Weight lb (kg): 3637 (1650) Performance Acceleration 0-62 mph s: 4.8 Top Speed mph (km/h): 152 (250) Fuel Economy EPA city/highway mpg (l/100 km): 14/20 (13.7)