Quadro 4 Adventure vs Black Douglas Sterling Imperial 400 (2016)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Quadro 4 Adventurestacks up against the Black Douglas Sterling Imperial 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Quadro 4 Adventure | Black Douglas Sterling Imperial 400 |
|---|---|---|
| Model year | 2015 | 2016 |
| Price | — | — |
| Engine | 346 cc | 400 cc |
| Horsepower | 30 hp | — |
| Torque | 25 Nm | — |
| Weight | 258 kg | — |
| Seat height | 30 mm | 33 mm |
| Fuel capacity | 4.0 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | — | 5-speed |
| Front brakes | Double disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 110/80-14 / 110/80-14 | 90/90-21 / 90/90-21 |
Quadro 4 Adventure vs Black Douglas Sterling Imperial 400 — which should you buy?
Picking between the Quadro 4 Adventure and the Black Douglas Sterling Imperial 400 usually comes down to the numbers you care about most. On paper, the Quadro 4 Adventure brings 30 hp in a 258 kg package, while the Black Douglas Sterling Imperial 400 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:

