Donghai 350 F3 vs Black Douglas Sterling Imperial 400 (2016)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Donghai 350 F3stacks up against the Black Douglas Sterling Imperial 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Donghai 350 F3 | Black Douglas Sterling Imperial 400 |
|---|---|---|
| Model year | 1988 | 2016 |
| Price | — | — |
| Engine | 349 cc | 400 cc |
| Horsepower | 42 hp | — |
| Seat height | — | 33 mm |
| Fuel capacity | 4.8 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Dual disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 100/90-16 / 120/80-18 | 90/90-21 / 90/90-21 |
Donghai 350 F3 vs Black Douglas Sterling Imperial 400 — which should you buy?
Picking between the Donghai 350 F3 and the Black Douglas Sterling Imperial 400 usually comes down to the numbers you care about most. On paper, the Donghai 350 F3 brings 42 hp, 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: