Aprilia SR GP 400 (2026) vs Vespa 150 Cosa and Cosa Elestart (1988-98)
Comparison technical specifications
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| Make: | Aprilia | Vespa |
| Model: | SR GP 400 | 150 Cosa and Cosa Elestart |
| Years: | 2026 | 1988-98 |
| Engine: | Four stroke single cylinder, SOHC, 4 valves | Two stroke, single cylinder |
| Capacity: | 399 cc / 24.3 cu in | 150 cc / 9.2 cub in |
| Bore x Stroke: | 84 x 72 mm | 57.8 x 57 mm |
| Ignition: | Electronic | Electronic |
| Starting: | Electric | Kick start |
| Max Power: | 26.8 kW / 36 hp @ 7500 rpm | 6.25 kW / 8.5 hp @ 5700 rpm |
| Max Torque: | 36.6 Nm / 27.8 lb-ft @ 5700 rpm | 12.75 Nm / 1.27 kgf-m / 9.4 lb-ft @ 4500 rpm |
| Clutch: | Automatic multi-disc centrifuge in oil bath | Wet, multiplate |
| Transmission: | Automatic CVT speed variator with torque servo | 4 Speed, grip-shift, constant mesh |
| Final Drive: | Belt | Direct drive |
| Frame: | Double-cradle structure made from high-strength steel tubes | Pressed sheet steel, streamlined monocoque structure |
| Front Brakes: | Single 300 mm Floating disc with radial mounting caliper with 4 opposing 28 mm pistons | 150 mm drum |
| Rear Brakes: | Single 240 mm disc, with dual piston caliper | 150 mm drum |
| Front Tyre: | 120/70-16?, Tubeless | 3.0 x 10" |
| Rear Tyre: | 150/70-14?, tubeless | 3.0 x 10" |
| Fuel Capacity: | 12 Litres / 3.17 US gal | 7.7 L / 2 US gal |