BamX BX400-U4 Sierra vs Honda TRX400X (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BamX BX400-U4 Sierrastacks up against the Honda TRX400X. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BamX BX400-U4 Sierra | Honda TRX400X |
|---|---|---|
| Model year | 2012 | 2018 |
| Price | $4,999 | $6,399 |
| Engine | 387 cc | 397 cc |
| Horsepower | 19 hp | — |
| Torque | 25 Nm | — |
| Weight | 266 kg | — |
| Seat height | 34 mm | 33 mm |
| Fuel capacity | 3.6 L | 2.6 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 5-speed |
| Front brakes | Double disc | Double disc. Hydraulic. |
| Rear brakes | Single disc | Single disc |
| Tires | 25/8-12 / 25/10-12 | 22/7-10 / 20/10-9 |
BamX BX400-U4 Sierra vs Honda TRX400X — which should you buy?
Picking between the BamX BX400-U4 Sierra and the Honda TRX400X 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 Honda TRX400X counters with its own power figure. On price, the BamX BX400-U4 Sierra has the lower MSRP.
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: