Comparison of DKW RT 250 1 1952 and NSU 251 SS 1928 [S]ave
| Attribute |  DKW RT 250 1 1952 × |  NSU 251 SS 1928 × |
|---|---|---|
| General | ||
| Production from (year) | 1952 | 1928 |
| Make | DKW | NSU |
| Model | DKW RT 250 1 | NSU 251 SS |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Bing | Carburettor |
| Displacement (cm³) | 244 | 247 |
| Power (kw) | 9.1 | 7.3 |
| Fuel consumption (l/100km) | 2.8 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 70 | 63 |
| Stroke (mm) | 64 | 80 |
| Gearbox | - | 3-speed |
| Greenhouse gases | 65.0 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | None | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 3.25-19 | 2.50-26 |
| Rear tyre | 3.50-19 | 2.50-26 |
| Seat | Single | Single |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 126 | 110 |
| Power/weight ratio | 0.0722 | 0.0664 |
| Performance | ||
| Top speed (km/h) | 110 | 100 |
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