BSA A 50 Royal Star vs Enfield Thunderbird X 500 (2019)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BSA A 50 Royal Starstacks up against the Enfield Thunderbird X 500. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BSA A 50 Royal Star | Enfield Thunderbird X 500 |
|---|---|---|
| Model year | 1970 | 2019 |
| Price | — | — |
| Engine | 498 cc | 499 cc |
| Horsepower | 33 hp | 27 hp |
| Torque | — | 41 Nm |
| Seat height | — | 31 mm |
| Fuel capacity | 4.0 L | 5.3 L |
| Fuel type | petrol | petrol |
| Transmission | 4-speed | 5-speed |
| Front brakes | Expanding brake | Single disc. Ventilated disc, 2-piston calipers |
| Rear brakes | Expanding brake | Single disc. Single-piston |
| Tires | 3.25-19 / 3.50-19 | 90/90-19 / 120/80-18 |
BSA A 50 Royal Star vs Enfield Thunderbird X 500 — which should you buy?
Picking between the BSA A 50 Royal Star and the Enfield Thunderbird X 500 usually comes down to the numbers you care about most. On paper, the BSA A 50 Royal Star brings 33 hp, while the Enfield Thunderbird X 500 counters with 27 hp.
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: