Zündapp KS 350 vs Black Douglas Sterling Imperial 400 (2016)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Zündapp KS 350stacks up against the Black Douglas Sterling Imperial 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Zündapp KS 350 | Black Douglas Sterling Imperial 400 |
|---|---|---|
| Model year | 1976 | 2016 |
| Price | — | — |
| Engine | 344 cc | 400 cc |
| Horsepower | 27 hp | — |
| Seat height | — | 33 mm |
| Fuel capacity | 4.2 L | 2.4 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 5-speed |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Tires | 100/90-18 / 110/80-18 | 90/90-21 / 90/90-21 |
Zündapp KS 350 vs Black Douglas Sterling Imperial 400 — which should you buy?
Picking between the Zündapp KS 350 and the Black Douglas Sterling Imperial 400 usually comes down to the numbers you care about most. On paper, the Zündapp KS 350 brings 27 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:

