Harley-Davidson Softail Fat Bob Dark Custom vs Harley-Davidson Dyna Fat Bob (2018)

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

Spec comparison

SpecHarley-Davidson Softail Fat Bob Dark CustomHarley-Davidson Dyna Fat Bob
Model year20182017
Price$16,049$16,049
Engine1690 cc1690 cc
Horsepower80 hp80 hp
Torque135 Nm130 Nm
Weight305 kg307 kg
Seat height23 mm28 mm
Fuel capacity5.0 L5.0 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesDouble disc. ABS. 4-piston. Double disc. 4-piston fixed. Optional ABS.
Rear brakesSingle disc. ABS. 2-piston.Single disc. 2-piston torque-free floating. Optional ABS.
Tires130/90-B16 / 180/70-B16 130/90-B16 / 180/70-B16

Harley-Davidson Softail Fat Bob Dark Custom vs Harley-Davidson Dyna Fat Bob — which should you buy?

Picking between the Harley-Davidson Softail Fat Bob Dark Custom and the Harley-Davidson Dyna Fat Bob usually comes down to the numbers you care about most. On paper, the Harley-Davidson Softail Fat Bob Dark Custom brings 80 hp in a 305 kg package, while the Harley-Davidson Dyna Fat Bob counters with 80 hp at 307 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: