CPI SM Ultimate vs GAS GAS SM 50 Rookie (2006)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the CPI SM Ultimatestacks up against the GAS GAS SM 50 Rookie. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecCPI SM UltimateGAS GAS SM 50 Rookie
Model year20062002
Price
Engine49 cc49 cc
Horsepower7 hp
Weight96 kg
Seat height34 mm
Fuel capacity1.9 L2.1 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc
Rear brakesSingle disc
Tires110/80-17 / 130/70-17 100/80-17 / 130/70-17

CPI SM Ultimate vs GAS GAS SM 50 Rookie — which should you buy?

Picking between the CPI SM Ultimate and the GAS GAS SM 50 Rookie usually comes down to the numbers you care about most. On paper, the CPI SM Ultimate brings 7 hp in a 96 kg package, while the GAS GAS SM 50 Rookie counters with its own power figure.

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: