Ducati Monster 821 Stealth vs Norton Commando 850 Interstate MK 3 (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Ducati Monster 821 Stealthstacks up against the Norton Commando 850 Interstate MK 3. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Ducati Monster 821 Stealth | Norton Commando 850 Interstate MK 3 |
|---|---|---|
| Model year | 2020 | 1977 |
| Price | — | — |
| Engine | 821 cc | 828 cc |
| Horsepower | 109 hp | 51 hp |
| Torque | 86 Nm | — |
| Weight | 181 kg | — |
| Seat height | 31 mm | — |
| Fuel capacity | 4.4 L | 6.3 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 4-speed |
| Front brakes | Double disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard | Single disc |
| Rear brakes | Single disc. 2-piston floating calliper with ABS as standard equipment | Single disc |
| Tires | 120/70-ZR17 / 180/55-ZR17 | 4.10-19 / 4.10-19 |
Ducati Monster 821 Stealth vs Norton Commando 850 Interstate MK 3 — which should you buy?
Picking between the Ducati Monster 821 Stealth and the Norton Commando 850 Interstate MK 3 usually comes down to the numbers you care about most. On paper, the Ducati Monster 821 Stealth brings 109 hp in a 181 kg package, while the Norton Commando 850 Interstate MK 3 counters with 51 hp.
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:

