Harley-Davidson FXDF Fat Bob vs Harley-Davidson FLSTF Fat Boy (2011)

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

Spec comparison

SpecHarley-Davidson FXDF Fat BobHarley-Davidson FLSTF Fat Boy
Model year20112011
Price$14,999$15,999
Engine1584 cc1584 cc
Torque125 Nm127 Nm
Weight305 kg315 kg
Seat height27 mm28 mm
Fuel capacity5.0 L5.2 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc. 4-piston fixed Single disc. 4-piston
Rear brakesSingle disc. 2-piston torque-free floatingSingle disc. 2-piston
Tires130/90-B16 / 180/70-B16 140/75-R17 / 200/55-R17

Harley-Davidson FXDF Fat Bob vs Harley-Davidson FLSTF Fat Boy — which should you buy?

Picking between the Harley-Davidson FXDF Fat Bob and the Harley-Davidson FLSTF Fat Boy usually comes down to the numbers you care about most. On paper, the Harley-Davidson FXDF Fat Bob brings its published horsepower in a 305 kg package, while the Harley-Davidson FLSTF Fat Boy counters with its own power figure at 315 kg. On price, the Harley-Davidson FXDF 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: