Triumph Thruxton 400 vs Triumph Speed 400 Base (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Triumph Thruxton 400stacks up against the Triumph Speed 400 Base. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Triumph Thruxton 400 | Triumph Speed 400 Base |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $6,295 | $5,495 |
| Engine | 398 cc | 398 cc |
| Weight | 183 kg | 170 kg |
| Seat height | 795 mm | 790 mm |
| Fuel capacity | 13.0 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 | Pirelli® Diablo Rosso IV: 110/70 R17 / Pirelli® Diablo Rosso IV: 150/60 R17 | Metzeler Sportec M9RR: 110/70 R17 / Metzeler Sportec M9RR: 150/60 R17 |
Triumph Thruxton 400 vs Triumph Speed 400 Base — which should you buy?
Picking between the Triumph Thruxton 400 and the Triumph Speed 400 Base usually comes down to the numbers you care about most. On paper, the Triumph Thruxton 400 brings its published horsepower in a 183 kg package, while the Triumph Speed 400 Base counters with its own power figure at 170 kg. On price, the Triumph Speed 400 Base 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: