KTM Adventure 390 R vs Triumph Thruxton 400 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM Adventure 390 Rstacks up against the Triumph Thruxton 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM Adventure 390 R | Triumph Thruxton 400 |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $7,699 | $6,295 |
| Engine | 398 cc | 398 cc |
| Weight | 165 kg | 183 kg |
| Seat height | 870 mm | 795 mm |
| Fuel capacity | 14.0 L | 13.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | Manual, 6 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | Mitas Enduro Trail E07+ 90/90 R21 / Mitas Enduro Trail E07+ 140/80 R18 | Pirelli® Diablo Rosso IV: 110/70 R17 / Pirelli® Diablo Rosso IV: 150/60 R17 |
KTM Adventure 390 R vs Triumph Thruxton 400 — which should you buy?
Picking between the KTM Adventure 390 R and the Triumph Thruxton 400 usually comes down to the numbers you care about most. On paper, the KTM Adventure 390 R brings its published horsepower in a 165 kg package, while the Triumph Thruxton 400 counters with its own power figure at 183 kg. On price, the Triumph Thruxton 400 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: