Ariel Model B vs Harley-Davidson Model W Sport Twin (1928)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Ariel Model Bstacks up against the Harley-Davidson Model W Sport Twin. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecAriel Model BHarley-Davidson Model W Sport Twin
Model year19281924
Price
Engine557 cc584 cc
Weight113 kg
Fuel typepetrolpetrol
Front brakesExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)
Tires3-26 / 3-26

Ariel Model B vs Harley-Davidson Model W Sport Twin — which should you buy?

Picking between the Ariel Model B and the Harley-Davidson Model W Sport Twin usually comes down to the numbers you care about most. On paper, the Ariel Model B brings its published horsepower, while the Harley-Davidson Model W Sport Twin counters with its own power figure at 113 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: