BSA M 21 vs BMW R67 (1956)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the BSA M 21stacks up against the BMW R67. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | BSA M 21 | BMW R67 |
|---|---|---|
| Model year | 1956 | 1951 |
| Price | — | — |
| Engine | 591 cc | 594 cc |
| Horsepower | 15 hp | 26 hp |
| Fuel capacity | 3.0 L | 4.5 L |
| Fuel type | petrol | petrol |
| Transmission | — | 4-speed |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake). Single |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 3.25-19 / 3.25-19 | 3.5-19 / 3.5-19 |
BSA M 21 vs BMW R67 — which should you buy?
Picking between the BSA M 21 and the BMW R67 usually comes down to the numbers you care about most. On paper, the BSA M 21 brings 15 hp, while the BMW R67 counters with 26 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: