Harley-Davidson Dyna Fat Bob vs Harley-Davidson Fat Boy Special (2017)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Dyna Fat Bobstacks up against the Harley-Davidson Fat Boy Special. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson Dyna Fat BobHarley-Davidson Fat Boy Special
Model year20172017
Price$16,049$21,299
Engine1690 cc1690 cc
Horsepower80 hp75 hp
Torque130 Nm126 Nm
Weight307 kg320 kg
Seat height28 mm26 mm
Fuel capacity5.0 L5.0 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesDouble disc. 4-piston fixed. Optional ABS.Double disc. ABS. 4-piston.
Rear brakesSingle disc. 2-piston torque-free floating. Optional ABS.Single disc. ABS. 4-piston.
Tires130/90-B16 / 180/70-B16 140/75-R17 / 200/55-R17

Harley-Davidson Dyna Fat Bob vs Harley-Davidson Fat Boy Special — which should you buy?

Picking between the Harley-Davidson Dyna Fat Bob and the Harley-Davidson Fat Boy Special usually comes down to the numbers you care about most. On paper, the Harley-Davidson Dyna Fat Bob brings 80 hp in a 307 kg package, while the Harley-Davidson Fat Boy Special counters with 75 hp at 320 kg. On price, the Harley-Davidson Dyna Fat Bob 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: