MuZ Mastiff vs Big Dog K-9 (2011)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the MuZ Mastiffstacks up against the Big Dog K-9. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | MuZ Mastiff | Big Dog K-9 |
|---|---|---|
| Model year | 2011 | 2011 |
| Price | $28,900 | $29,900 |
| Engine | 1917 cc | 1917 cc |
| Weight | 321 kg | 318 kg |
| Seat height | 24 mm | 24 mm |
| Fuel capacity | 4.6 L | 4.4 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. 4-piston Diff bore | Single disc. 4-piston Diff bore |
| Rear brakes | Single disc. 4-piston | Single disc. 4-piston |
| Tires | MH120-21 / 300/35-18 | MH90-21 / 300/35-R18 |
MuZ Mastiff vs Big Dog K-9 — which should you buy?
Picking between the MuZ Mastiff and the Big Dog K-9 usually comes down to the numbers you care about most. On paper, the MuZ Mastiff brings its published horsepower in a 321 kg package, while the Big Dog K-9 counters with its own power figure at 318 kg. On price, the MuZ Mastiff has the lower MSRP.
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: