Ktm Rc 390 vs Aprilia Rs 660
Side-by-side comparison for used motorcycle buyers
Ktm Rc 390 vs Aprilia Rs 660. Ktm Rc 390: 43 hp @ 9,000 rpm hp, 172 kg (wet/curb weight) weight, top speed 179 km/h, Motoryk rating 7.8/10. Aprilia Rs 660: 100 hp @ 10,500 rpm hp, 169 kg (wet/curb weight) weight, top speed 235 km/h, Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Ktm Rc 390
Aprilia Rs 660
Horsepower (hp)
43 hp
100 hp
Torque (Nm)
37 Nm
67 Nm
Top Speed (km/h)
179 km/h
235 km/h
Weight (kg) — lower is better
172 kg
169 kg
Type
Supersport
Supersport
Horsepower
43 hp @ 9,000 rpm
100 hp @ 10,500 rpm
Torque
37 Nm @ 7,000 rpm
67 Nm @ 8,500 rpm
Top Speed
179 km/h
235 km/h
Weight
172 kg (wet/curb weight)
169 kg (wet/curb weight)
Fuel
3.5 L/100km (approx. 28.5 km/L typical real-world average)
5.5 L/100km (approx. 18 km/L typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Ktm Rc 390
7.8/10
"Buy it right and the RC 390 punches embarrassingly hard above its weight."
Pros
+Genuinely fast for displacement
+Premium suspension and brakes
+Razor-sharp handling dynamics
Cons
−Brutal heat management issues
−Abuse potential from owners
−Hard seat, cramped ergonomics
Aprilia Rs 660
8.5/10
"A genuinely special middleweight — buy it, but buy it carefully."
Pros
+Thrilling mid-range power delivery
+Exceptional chassis and handling
+Premium electronics for class
Cons
−Early ECU software problems
−Fragile fairings, expensive replacements
−Patchy dealer network support
Top 10 Accessories
Picks that work on either bike.
