Harley-Davidson FLSTF Fat Boy vs Boom Trikes Classic Family (2011)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FLSTF Fat Boystacks up against the Boom Trikes Classic Family. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson FLSTF Fat BoyBoom Trikes Classic Family
Model year20112010
Price$15,999
Engine1584 cc1584 cc
Horsepower48 hp
Torque127 Nm
Weight315 kg700 kg
Seat height28 mm
Fuel capacity5.2 L10.0 L
Fuel typepetrolpetrol
Transmission6-speed4-speed
Front brakesSingle disc. 4-piston Single disc
Rear brakesSingle disc. 2-pistonSingle disc
Tires140/75-R17 / 200/55-R17 170/60-17 / 295/50-15

Harley-Davidson FLSTF Fat Boy vs Boom Trikes Classic Family — which should you buy?

Picking between the Harley-Davidson FLSTF Fat Boy and the Boom Trikes Classic Family usually comes down to the numbers you care about most. On paper, the Harley-Davidson FLSTF Fat Boy brings its published horsepower in a 315 kg package, while the Boom Trikes Classic Family counters with 48 hp at 700 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: