Ariel V-twin vs BMW R63 (1929)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Ariel V-twinstacks up against the BMW R63. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Ariel V-twin | BMW R63 |
|---|---|---|
| Model year | 1916 | 1929 |
| Price | — | — |
| Engine | 700 cc | 735 cc |
| Horsepower | — | 24 hp |
| Fuel capacity | — | 3.3 L |
| Fuel type | petrol | petrol |
| Transmission | 3-speed | — |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake). Single |
| Rear brakes | Expanding brake (drum brake) | — |
| Tires | — | 3.50-26.00 / 3.50-26.00 |
Ariel V-twin vs BMW R63 — which should you buy?
Picking between the Ariel V-twin and the BMW R63 usually comes down to the numbers you care about most. On paper, the Ariel V-twin brings its published horsepower, while the BMW R63 counters with 24 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: