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

SpecKTM 790 Adventure R PrototypeMV Agusta Concept 921 S
Model year20182023
Price
Engine790 cc921 cc
Horsepower105 hp116 hp
Torque115 Nm
Weight205 kg
Seat height33 mm
Fuel capacity4.2 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle discDouble disc. ABS. Brembo Stylema 4-piston radial calipers
Rear brakesSingle discSingle disc. ABS. Brembo twin-piston caliper
Tires120/70-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: