Harley-Davidson Model S vs Beta Alp 4.0 (2026)

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

Spec comparison

SpecHarley-Davidson Model SBeta Alp 4.0
Model year19322026
Price$6,490
Engine345 cc348 cc
Weight139 kg
Seat height863 mm
Fuel capacity11.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Chain
Front brakesHydraulic Disc
Rear brakesHydraulic Disc
Tires2.5-28 / 2.5-28 21 Inch / 18 Inch

Harley-Davidson Model S vs Beta Alp 4.0 — which should you buy?

Picking between the Harley-Davidson Model S and the Beta Alp 4.0 usually comes down to the numbers you care about most. On paper, the Harley-Davidson Model S brings its published horsepower, while the Beta Alp 4.0 counters with its own power figure at 139 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: