KTM 790 Adventure R Prototype vs MV Agusta Concept 921 S (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 790 Adventure R Prototypestacks up against the MV Agusta Concept 921 S. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 790 Adventure R Prototype | MV Agusta Concept 921 S |
|---|---|---|
| Model year | 2018 | 2023 |
| Price | — | — |
| Engine | 790 cc | 921 cc |
| Horsepower | 105 hp | 116 hp |
| Torque | — | 115 Nm |
| Weight | — | 205 kg |
| Seat height | — | 33 mm |
| Fuel capacity | — | 4.2 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc | Double disc. ABS. Brembo Stylema 4-piston radial calipers |
| Rear brakes | Single disc | Single disc. ABS. Brembo twin-piston caliper |
| Tires | — | 120/70-ZR17 / 180/55-ZR17 |
KTM 790 Adventure R Prototype vs MV Agusta Concept 921 S — which should you buy?
Picking between the KTM 790 Adventure R Prototype and the MV Agusta Concept 921 S usually comes down to the numbers you care about most. On paper, the KTM 790 Adventure R Prototype brings 105 hp, while the MV Agusta Concept 921 S counters with 116 hp at 205 kg.
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:

