says the r.c.f. feels most at home on the autobahn a driver can either cruise along comfortably for longer stretches or if there s no speed limit as is the case here take the lexus to its limits one shore down shift and off you go. the 5 leader v 8 naturally aspirated engine hurls the r.c.f. from $0.00 to $100.00 kilometers an hour and $4.00 seconds top speed is $270.00 flexes reach fuel consumption at $10.00 leaders for $100.00 kilometers in germany the r.c.f. starts at $78400.00 euros but the carbon addition cost about $12000.00 euros extra . the lexus julian says the r.c.f. is a 2 plus 2 seater so let s see how much space there is in back. the front seats slide forward electronically making it easier to climb in.