The following result is obtained by our Internet Research Algorithm: KTM Duke 390 Pros - Great looks Better orange bright colour TFT display Alloy wheels Great acceleration Light Weight Better mileage Cons - Not very comfortable Not for office people Stiff riding experience Royal Enfield Interceptor Pros - Talkative looks (especially chrome variant) Evergreen classic look More comfortable Great ride quality Good pick up even in the lower gear Cons - Not comfortable to ride when its a long journey Low fuel tank capacity Conclusion - If you want mature bike choose Royal Enfield Interceptor and if you want fun and sporty bike go for KTM Duke 390.