Ktm Rc8 vs Honda Rc51 Sp1
Side-by-side comparison for used motorcycle buyers
Ktm Rc8 vs Honda Rc51 Sp1. Ktm Rc8: 173 hp @ 10,000 rpm (RC8 R variant; base RC8 approx. 155 hp) hp, 189 kg (wet/curb weight) weight, top speed 270 km/h, Motoryk rating 7.5/10. Honda Rc51 Sp1: 136 hp @ 10,000 rpm hp, 201 kg (wet/curb weight) weight, top speed 270 km/h, Motoryk rating 8.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Ktm Rc8
Honda Rc51 Sp1
Horsepower (hp)
173 hp
136 hp
Torque (Nm)
117 Nm
102 Nm
Top Speed (km/h)
270 km/h
270 km/h
Weight (kg) — lower is better
189 kg
201 kg
Type
Supersport
Supersport
Horsepower
173 hp @ 10,000 rpm (RC8 R variant; base RC8 approx. 155 hp)
136 hp @ 10,000 rpm
Torque
117 Nm @ 8,000 rpm (RC8 R variant)
102 Nm @ 8,000 rpm
Top Speed
270 km/h
270 km/h
Weight
189 kg (wet/curb weight)
201 kg (wet/curb weight)
Fuel
7.5 L/100km (approx. 13.3 km/L, typical real-world average)
7.5 L/100km (approximately 13.3 km/L, typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Ktm Rc8
7.5/10
"A flawed masterpiece that demands commitment, cash, and mechanical sympathy."
Pros
+Thunderous V-twin character
+Stunning KTM visual presence
+Razor-sharp chassis feedback
Cons
−Patchy early build quality
−Brutal commuting ergonomics
−Expensive suspension rebuilds
Honda Rc51 Sp1
8.0/10
"A flawed masterpiece that rewards patient, experienced owners who research thoroughly."
Pros
+Intoxicating V-twin soundtrack
+Honda reliability versus competitors
+Appreciating collector value
Cons
−Expensive valve service intervals
−SP1 fueling rough below 4000rpm
−Frame crack history on track bikes
Top 10 Accessories
Picks that work on either bike.
