QJ Motor SRK 921 RR vs Aprilia RS 457
Side-by-side comparison for used motorcycle buyers
QJ Motor SRK 921 RR vs Aprilia RS 457. QJ Motor SRK 921 RR: 120.5bhp @ 11,300rpm hp, 230.6kg fully fuelled (508 lbs) weight, top speed 157mph. Aprilia RS 457: 47.6 hp (35.5 kW) hp, 169 kg (373 lbs) weight, top speed ~140 mph (225 km/h), Motoryk rating 8.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
QJ Motor SRK 921 RR
Aprilia RS 457
Horsepower (hp)
120.5 hp
47.6 hp
Torque (Nm)
63.6 Nm
43.5 Nm
Top Speed (km/h)
157 km/h
140 km/h
Weight (kg) — lower is better
230.6 kg
169 kg
Type
Sportbike
Sportbike
Horsepower
120.5bhp @ 11,300rpm
47.6 hp (35.5 kW)
Torque
63.6lb-ft @ 8900rpm
43.5 Nm (32.1 lb-ft)
Top Speed
157mph
~140 mph (225 km/h)
Weight
230.6kg fully fuelled (508 lbs)
169 kg (373 lbs)
Fuel
—
—
Fairing
Yes
Yes
Individual Reviews
Aprilia RS 457
8.0/10
"The best-looking small sportsbike money can currently buy used."
Pros
+Sharp, involving handling dynamics
+Premium Aprilia badge quality
+Tractable twin engine character
Cons
−Aggressive ergonomics punish commuters
−Fairing damage risk on used
−Early fueling software issues
Top 10 Accessories
Picks that work on either bike.
