Harley-Davidson FXSTD Softail Deuce vs Harley-Davidson FLSTF Fat Boy (2011)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FXSTD Softail Deucestacks 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 FXSTD Softail DeuceHarley-Davidson FLSTF Fat Boy
Model year20072011
Price$17,345$15,999
Engine1573 cc1584 cc
Torque122 Nm127 Nm
Weight301 kg315 kg
Seat height27 mm28 mm
Fuel capacity4.9 L5.2 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle discSingle disc. 4-piston
Rear brakesSingle discSingle disc. 2-piston
TiresMH90-21 / 160/70-B17 140/75-R17 / 200/55-R17

Harley-Davidson FXSTD Softail Deuce vs Harley-Davidson FLSTF Fat Boy — which should you buy?

Picking between the Harley-Davidson FXSTD Softail Deuce and the Harley-Davidson FLSTF Fat Boy usually comes down to the numbers you care about most. On paper, the Harley-Davidson FXSTD Softail Deuce brings its published horsepower in a 301 kg package, while the Harley-Davidson FLSTF Fat Boy counters with its own power figure at 315 kg. On price, the Harley-Davidson FLSTF Fat Boy 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: