BamX BX400-U4 Sierra vs Vento Reptile 400 (2013)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BamX BX400-U4 Sierrastacks up against the Vento Reptile 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BamX BX400-U4 Sierra | Vento Reptile 400 |
|---|---|---|
| Model year | 2012 | 2013 |
| Price | $4,999 | — |
| Engine | 387 cc | 392 cc |
| Horsepower | 19 hp | — |
| Torque | 25 Nm | — |
| Weight | 266 kg | 210 kg |
| Seat height | 34 mm | 32 mm |
| Fuel capacity | 3.6 L | 4.2 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 5-speed |
| Front brakes | Double disc | Double disc. Hydraulic. |
| Rear brakes | Single disc | Single disc. Hydraulic. |
| Tires | 25/8-12 / 25/10-12 | 21/7-10 / 20/19-9 |
BamX BX400-U4 Sierra vs Vento Reptile 400 — which should you buy?
Picking between the BamX BX400-U4 Sierra and the Vento Reptile 400 usually comes down to the numbers you care about most. On paper, the BamX BX400-U4 Sierra brings 19 hp in a 266 kg package, while the Vento Reptile 400 counters with its own power figure at 210 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: