Vastro 50 R-One vs Sym Mio 50i (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Vastro 50 R-Onestacks up against the Sym Mio 50i. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecVastro 50 R-OneSym Mio 50i
Model year20212021
Price$1,090
Engine50 cc50 cc
Horsepower3 hp4 hp
Torque4 Nm
Weight112 kg88 kg
Fuel capacity1.4 L1.4 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires120/70-10 / 120/70-10 90/90-10 / 90/90-10

Vastro 50 R-One vs Sym Mio 50i — which should you buy?

Picking between the Vastro 50 R-One and the Sym Mio 50i usually comes down to the numbers you care about most. On paper, the Vastro 50 R-One brings 3 hp in a 112 kg package, while the Sym Mio 50i counters with 4 hp at 88 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: