Brough Superior Lawrence Dagger vs Ariel MK2 Square Four (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Brough Superior Lawrence Daggerstacks up against the Ariel MK2 Square Four. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Brough Superior Lawrence Dagger | Ariel MK2 Square Four |
|---|---|---|
| Model year | 2023 | 1959 |
| Price | — | — |
| Engine | 997 cc | 997 cc |
| Horsepower | 102 hp | — |
| Torque | 87 Nm | — |
| Weight | 200 kg | — |
| Seat height | 32 mm | — |
| Fuel capacity | 4.5 L | 6.1 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | — |
| Front brakes | Double disc. Beringer Stainless Steel discs with 2 x two-piston Beringer radial calipers | Expanding brake (drum brake) |
| Rear brakes | Single disc. Beringer Stainless Steel disc with 1 x two-piston Beringer radial caliper | Expanding brake (drum brake) |
| Tires | 120/70-17 / 200/55-17 | 3.25-19 / 4-18 |
Brough Superior Lawrence Dagger vs Ariel MK2 Square Four — which should you buy?
Picking between the Brough Superior Lawrence Dagger and the Ariel MK2 Square Four usually comes down to the numbers you care about most. On paper, the Brough Superior Lawrence Dagger brings 102 hp in a 200 kg package, while the Ariel MK2 Square Four counters with its own power figure.
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:

