The RC390 is definitely better. It is a mighty powerful motorcycle. It derives power from a 373cc engine pumping out 43 BHP and 35 NM of torque. Now compare this to RC200's 199 cc engine which produces 24.6 bhp and 19.2 NM of torque. Clearly, the RC390 is leagues ahead of the RC200. So rest assured, you can defintely defeat RC200 with RC390. Also, the RC390 can hit a top speed of 179 KMPH compared to RC200's 140 KMPH.