Beta Alp 4.0 vs Beta Alp X (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta Alp 4.0stacks up against the Beta Alp X. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecBeta Alp 4.0Beta Alp X
Model year20262026
Price$6,490$6,490
Engine348 cc348 cc
Weight139 kg142 kg
Seat height863 mm853 mm
Fuel capacity11.0 L11.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, ChainManual, 6 speed, Chain
Front brakesHydraulic DiscHydraulic Disc
Rear brakesHydraulic DiscHydraulic Disc
Tires21 Inch / 18 Inch19 Inch / 17 Inch

Beta Alp 4.0 vs Beta Alp X — which should you buy?

Picking between the Beta Alp 4.0 and the Beta Alp X usually comes down to the numbers you care about most. On paper, the Beta Alp 4.0 brings its published horsepower in a 139 kg package, while the Beta Alp X counters with its own power figure at 142 kg. On price, the Beta Alp X has the lower MSRP.

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: