Piaggio BV 400 S vs KTM Adventure 390 X (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Piaggio BV 400 Sstacks up against the KTM Adventure 390 X. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Piaggio BV 400 S | KTM Adventure 390 X |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $7,549 | $6,499 |
| Engine | 399 cc | 398 cc |
| Weight | 195 kg | 165 kg |
| Seat height | 821 mm | 825 mm |
| Fuel capacity | 12.0 L | 14.0 L |
| Fuel type | petrol | petrol |
| Transmission | Continuously Variable (CVT) | Manual, 6 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | 120/70 R16 / 150/70 R14 | 100/90 R19 / 130/80 R17 |
Piaggio BV 400 S vs KTM Adventure 390 X — which should you buy?
Picking between the Piaggio BV 400 S and the KTM Adventure 390 X usually comes down to the numbers you care about most. On paper, the Piaggio BV 400 S brings its published horsepower in a 195 kg package, while the KTM Adventure 390 X counters with its own power figure at 165 kg. On price, the KTM Adventure 390 X 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: