| Attribute | NSU 251 SS 1928 × | DKW E 300 1929 × |
|---|---|---|
| General | ||
| Production from (year) | 1928 | 1929 |
| Make | NSU | DKW |
| Model | NSU 251 SS | DKW E 300 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 247 | 292 |
| Power (kw) | 7.3 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 63 | 74 |
| Stroke (mm) | 80 | 68 |
| Gearbox | 3-speed | - |
| Ignition | - | Magneto |
| Chassis | ||
| 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 | 2.50-26 | 2.85-26 |
| Rear tyre | 2.50-26 | 2.85-26 |
| Seat | Single | Two single seats |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Dry weight (kg) | 110 | 100 |
| Power/weight ratio | 0.0664 | - |
| Performance | ||
| Top speed (km/h) | 100 | 80 |