| Attribute | Sunbeam S8 500 1949 × | NSU 501 TS 1935 × |
|---|---|---|
| General | ||
| Production from (year) | 1949 | 1935 |
| Make | Sunbeam | NSU |
| Model | Sunbeam S8 500 | NSU 501 TS |
| Category | Sport touring | Allround |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 487 | 494 |
| Power (kw) | 17.5 | 8 |
| Cooling system | Oil & air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Chain |
| Bore (mm) | 70 | 80 |
| Stroke (mm) | 63.5 | 99 |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Ignition | - | Magneto Bosch |
| Clutch | Dry singleplate | - |
| Lubrication system | Wet sump | - |
| Compression | 6.5:1 | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Plungers | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Twin cradle | Double steel |
| Front tyre | 4.50-16 | 3.50-26 |
| Rear tyre | 4.50-16 | 4-27 |
| Seat | Two single seats | - |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,390 |
| Dry weight (kg) | 187 | 185 |
| Power/weight ratio | 0.0936 | 0.0432 |
| Performance | ||
| Top speed (km/h) | 120 | 100 |