Tomos ATX 50C vs Simson S51 n (1999)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Tomos ATX 50Cstacks up against the Simson S51 n. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Tomos ATX 50C | Simson S51 n |
|---|---|---|
| Model year | 1999 | 1986 |
| Price | — | — |
| Engine | 50 cc | 51 cc |
| Horsepower | 3 hp | 4 hp |
| Weight | 70 kg | 86 kg |
| Fuel capacity | 2.6 L | — |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 1-speed |
| Front brakes | Expanding brake (drum brake) | — |
| Rear brakes | Expanding brake (drum brake) | — |
| Tires | 80/40-18 / 100/50-18 | — |
Tomos ATX 50C vs Simson S51 n — which should you buy?
Picking between the Tomos ATX 50C and the Simson S51 n usually comes down to the numbers you care about most. On paper, the Tomos ATX 50C brings 3 hp in a 70 kg package, while the Simson S51 n counters with 4 hp at 86 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

