Moto Guzzi V7III Stone S vs BMW R12 Single Carb (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Moto Guzzi V7III Stone Sstacks up against the BMW R12 Single Carb. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Moto Guzzi V7III Stone S | BMW R12 Single Carb |
|---|---|---|
| Model year | 2020 | 1942 |
| Price | — | — |
| Engine | 744 cc | 745 cc |
| Horsepower | 52 hp | 18 hp |
| Torque | 60 Nm | — |
| Seat height | 30 mm | — |
| Fuel capacity | 5.6 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | — |
| Front brakes | Single disc. Brembo caliper with 4 differentiated pistons | Expanding brake (drum brake) |
| Rear brakes | Single disc. Floating disc. Two-piston calipers. | Expanding brake (drum brake) |
| Tires | 100/90-18 / 130/80-17 | 3.5-19 / 3.5-19 |
Moto Guzzi V7III Stone S vs BMW R12 Single Carb — which should you buy?
Picking between the Moto Guzzi V7III Stone S and the BMW R12 Single Carb usually comes down to the numbers you care about most. On paper, the Moto Guzzi V7III Stone S brings 52 hp, while the BMW R12 Single Carb counters with 18 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:

