Triumph Rocket 3 Storm R vs Viper Diablo Deluxe (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Triumph Rocket 3 Storm Rstacks up against the Viper Diablo Deluxe. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecTriumph Rocket 3 Storm RViper Diablo Deluxe
Model year20262009
Price$26,345
Engine2458 cc2491 cc
Weight317 kg272 kg
Seat height773 mm24 mm
Fuel capacity18.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Shaft6-speed
Front brakesDual Hydraulic DiscSingle disc. 4-piston caliper
Rear brakesHydraulic DiscSingle disc. 4-piston caliper
TiresAvon Cobra Chrome: 150/80 R17 V / Avon Cobra Chrome: 240/50 R16 V130/70-18 / 260/40-18

Triumph Rocket 3 Storm R vs Viper Diablo Deluxe — which should you buy?

Picking between the Triumph Rocket 3 Storm R and the Viper Diablo Deluxe usually comes down to the numbers you care about most. On paper, the Triumph Rocket 3 Storm R brings its published horsepower in a 317 kg package, while the Viper Diablo Deluxe counters with its own power figure at 272 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: