Vespa GTS Super 300 vs Royal Alloy Grand Prix 300S (2025)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Vespa GTS Super 300stacks up against the Royal Alloy Grand Prix 300S. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecVespa GTS Super 300Royal Alloy Grand Prix 300S
Model year20252025
Price$7,999
Engine278 cc278 cc
Torque27 Nm
Weight154 kg
Seat height790 mm
Fuel capacity8.5 L
Fuel typepetrolpetrol
TransmissionContinuously Variable (CVT)
Front brakesHydraulic Disc
Rear brakesHydraulic Disc
Tires110/70 R12 / 130/70 R12Pirelli 110/70-12 / Pirelli 120/70-12

Vespa GTS Super 300 vs Royal Alloy Grand Prix 300S — which should you buy?

Picking between the Vespa GTS Super 300 and the Royal Alloy Grand Prix 300S usually comes down to the numbers you care about most. On paper, the Vespa GTS Super 300 brings its published horsepower, while the Royal Alloy Grand Prix 300S counters with its own power figure at 154 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: