Comparison of Derbi Sonar 125 4T 2010 and Vespa PX 150 2005 [S]ave
| Attribute |  Derbi Sonar 125 4T 2010 × |  Vespa PX 150 2005 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2005 |
| Make | Derbi | Vespa |
| Model | Derbi Sonar 125 4T | Vespa PX 150 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 124 | 151 |
| Power (kw) | 7.7 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | 9.6 | - |
| Bore (mm) | 57 | 57 |
| Stroke (mm) | 48.6 | 58 |
| Gearbox | Automatic | Automatic |
| Ignition | - | Electronic CDI |
| Clutch | Automatic centrifugal | Oil wet clutch |
| Lubrication system | Mechanical oil pump | Automatic oil-fuel mixer |
| Compression | 10.6:1 | - |
| Chassis | ||
| Front suspension | 32 mm fork. | Oscillating arm, coil spring and dual effect hydraulic shock absorber |
| Rear suspension | Single shock absorber | Hydraulic shock absorber, 88 mm stroke |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 150 |
| Frame type | - | Pressed steel monocoque |
| Front tyre | 90/80-16 | - |
| Rear tyre | 110/80-14 | - |
| Front wheel travel (mm) | 76 | - |
| Rear wheel travel (mm) | 64 | - |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,325 | 1,260 |
| Kerb weight (kg) | 109 | 116 |
| Dry weight (kg) | 99 | 97 |
| Power/weight ratio | 0.0778 | - |
| Overall length (mm) | 1,930 | 1,810 |
| Overall width (mm) | 740 | 700 |
| Seat height (mm) | 805 | 780 |
| Performance | ||
| Fuel capacity (l) | 8 | 8 |
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