Aprilia RS4 125 vs Derbi GPR 125: specs compared

Side-by-side specs of the Aprilia RS4 125 (2018) and the Derbi GPR 125 (2016-2017), using the latest model year of each.

Full specs

Specification	Aprilia RS4 125 2018 Remove	Derbi GPR 125 2016-2017 Remove
Category	Supersport	Supersport
Years	2018	2016-2017
Engine	124.8 ccm (7.62 cubic inches), Single cylinder, four-stroke, Injection. Magneti Marelli M3G ø 32mm ECU	124.8 ccm (7.61 cubic inches), Single cylinder, four-stroke, Carburettor. 30 mm
Cylinders	1	1
Displacement	124 cc	124 cc
Power	15 hp @ 10,500 rpm	15 hp @ 9,250 rpm
Torque	10.9 Nm @ 8,250 rpm	—Not available
Transmission	6-speed, Multi-plate in oil bath., Chain (final drive)	6-speed, Multi-disc, Chain (final drive)
Final drive	chain	chain
Weight	144 kg (wet)	137 kg (wet)Best
Seat height	820 mm	800 mm
Fuel capacity	14.5 LBest	14 L
Front suspension	Upside down hydraulic fork, 40 mm.	40 mm upside-down fork
Rear suspension	Asymmetric swingarm with monoshock	Monoshock.
Brake system	—Not available	—Not available
Front brake	Single disc. Stainless steel disc with radial 4 piston calliper, 300 mm	Single disc. Radial caliper, 300 mm
Rear brake	Single disc. Single 30 mm piston, 218 mm	Expanding brake (drum brake). Floating caliper, 218 mm
Front tire	110/80-17	110/80-17
Rear tire	130/70-17	130/70-17
Quickshifter	—Not available	—Not available
Launch price	—Not available	—Not available