TGB Target 550 IRS vs KTM 450 SX (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the TGB Target 550 IRSstacks up against the KTM 450 SX. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | TGB Target 550 IRS | KTM 450 SX |
|---|---|---|
| Model year | 2011 | 2012 |
| Price | — | — |
| Engine | 503 cc | 510 cc |
| Horsepower | 20 hp | — |
| Weight | 364 kg | 165 kg |
| Seat height | 36 mm | 31 mm |
| Fuel capacity | 4.0 L | 2.7 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 5-speed |
| Front brakes | Single disc | Single disc. Floating Wave discs, 4-piston fixed caliper |
| Rear brakes | Single disc | Single disc. Single piston floating caliper |
| Tires | 25/8-12 / 22/10-12 | 20/7-10 / 20/11-9 |
TGB Target 550 IRS vs KTM 450 SX — which should you buy?
Picking between the TGB Target 550 IRS and the KTM 450 SX usually comes down to the numbers you care about most. On paper, the TGB Target 550 IRS brings 20 hp in a 364 kg package, while the KTM 450 SX counters with its own power figure at 165 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:

