GAS GAS Halley 450 4T vs Kawasaki KX™ 450 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the GAS GAS Halley 450 4Tstacks up against the Kawasaki KX™ 450. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | GAS GAS Halley 450 4T | Kawasaki KX™ 450 |
|---|---|---|
| Model year | 2010 | 2026 |
| Price | — | $10,499 |
| Engine | 443 cc | 449 cc |
| Weight | — | 128 kg |
| Seat height | 35 mm | 960 mm |
| Fuel capacity | 2.0 L | 6.0 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | Manual, 5 speed, Chain |
| Front brakes | Single disc. Double-piston caliper. | Disc |
| Rear brakes | Single disc | Disc |
| Tires | 90/90-21 / 130/90-18 | Dunlop® Geomax MX3SF: 80/100-21 51M / Dunlop® Geomax MX3S: 120/80-19 63M |
GAS GAS Halley 450 4T vs Kawasaki KX™ 450 — which should you buy?
Picking between the GAS GAS Halley 450 4T and the Kawasaki KX™ 450 usually comes down to the numbers you care about most. On paper, the GAS GAS Halley 450 4T brings its published horsepower, while the Kawasaki KX™ 450 counters with its own power figure at 128 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: