Bimota Kb4 vs Aprilia Rsv4
Side-by-side comparison for used motorcycle buyers
Bimota Kb4 vs Aprilia Rsv4. Bimota Kb4: 140 hp @ 10,000 rpm hp, 189 kg (wet/curb weight) weight, top speed ~240 km/h (estimated), Motoryk rating 7.5/10. Aprilia Rsv4: 217 hp @ 13,000 rpm (2021+ RSV4 1100 Factory; base RSV4 approx. 201 hp) hp, 202 kg (wet/curb weight — 2021 RSV4 1100 Factory) weight, top speed 299 km/h, Motoryk rating 9.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Bimota Kb4
Aprilia Rsv4
Horsepower (hp)
140 hp
217 hp
Torque (Nm)
111 Nm
125 Nm
Top Speed (km/h)
240 km/h
299 km/h
Weight (kg) — lower is better
189 kg
202 kg
Type
Supersport
Supersport
Horsepower
140 hp @ 10,000 rpm
217 hp @ 13,000 rpm (2021+ RSV4 1100 Factory; base RSV4 approx. 201 hp)
Torque
111 Nm @ 7,300 rpm
125 Nm @ 10,500 rpm (2021+ RSV4 1100 Factory)
Top Speed
~240 km/h (estimated)
299 km/h
Weight
189 kg (wet/curb weight)
202 kg (wet/curb weight — 2021 RSV4 1100 Factory)
Fuel
~6.5 L/100km (estimated real-world average)
7.5 L/100km (approx. 13.3 km/L — estimated real-world average, varies significantly with riding style)
Fairing
Yes
Yes
Individual Reviews
Bimota Kb4
7.5/10
"An exotic gamble that rewards obsessive buyers with deep pockets."
Pros
+Stunning hand-built Italian bodywork
+Bulletproof Kawasaki engine reliability
+Razor-sharp trellis frame handling
Cons
−Eye-watering Bimota-specific parts costs
−Very limited specialist knowledge available
−Patchy small-batch build quality
Aprilia Rsv4
9.0/10
"The best used sportsbike money can buy, if you're careful."
Pros
+Breathtaking V4 engine character
+World-class chassis balance
+Exceptional electronics on later models
Cons
−Expensive valve service intervals
−Crash damage history common
−Uncomfortable for longer rides
Top 10 Accessories
Picks that work on either bike.









