Which one is faster - Yamaha R6 or KTM RC8?

Yamaha R6 is 599cc & RC8 is 1195, almost twice, hope that answers your query.

The R6 is a 599cc beast, produces 122bhp of raw power and an amazing ride. But yet, it has nothing in front of the 1190 cc, produces huge 173 bhp through its amazing V-twin engine, clocks around 300kph and one of the most extreme road legals. R6 is a much better day to day and a track day quite so often, and the RC8 is a track beast, with the most mean look ever.

KTM RC8

KTM RC8 is the faster model when compared to Yamaha R6. Both the bikes belong to different categories as the 600 cc middle weight racer lacks far behind from the huge 1200 cc KTM beast. The RC8 R is powered by a 1195 cc engine, producing 173 BHP @ 10250 rpm and 123 NM @ 8000 rpm. The values are huge when compared to the R6. The KTM RC8 R comes with a top speed of 287 kmph with stock components. It has a 16.5 liter of fuel tank, returning only 10-12 kmpl on normal riding. It comes with an adjustable seat height of 805-825 mm and comes with nearly the double price of R6. It is expected in India with a price tag of INR 20,00,000.

All You Need to Know about KTM 1190 RC8 R