| Attribute | Derbi GPR 125 2015 × | Derbi Sonar 125 4T 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2010 |
| Make | Derbi | Derbi |
| Model | Derbi GPR 125 | Derbi Sonar 125 4T |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor. 30 mm | Carburettor |
| Displacement (cm³) | 124.8 | 124 |
| Power (kw) | 10.9 | 7.7 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Belt |
| Torque (Nm) | - | 9.6 |
| Bore (mm) | 58 | 57 |
| Stroke (mm) | 47 | 48.6 |
| Gearbox | 6-speed | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Emission details | Euro 3 | - |
| Ignition | CDI | - |
| Clutch | Multi-disc | Automatic centrifugal |
| Lubrication system | Mechanical oil pump | Mechanical oil pump |
| Compression | 12.0:1 | 10.6:1 |
| Chassis | ||
| Front suspension | 40 mm upside-down fork. | 32 mm fork. |
| Rear suspension | Monoshock. | Single shock absorber |
| Front brakes | Single disc. Radial caliper | Single disc |
| Rear brakes | Expanding brake (drum brake). Floating caliper | Expanding brake (drum brake) |
| Diameter (mm) | 218 | 140 |
| Front tyre | 110/80-17 | 90/80-16 |
| Rear tyre | 130/70-17 | 110/80-14 |
| Front wheel travel (mm) | 110 | 76 |
| Rear wheel travel (mm) | 120 | 64 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Instruments | Multifunction instrument panel with LCD display inspired by MotoGP. | - |
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,325 |
| Kerb weight (kg) | 137 | 109 |
| Dry weight (kg) | 120 | 99 |
| Power/weight ratio | 0.0908 | 0.0778 |
| Overall length (mm) | 1,977 | 1,930 |
| Overall width (mm) | 795 | 740 |
| Seat height (mm) | 800 | 805 |
| Performance | ||
| Fuel capacity (l) | 14 | 8 |