Harley-davidson Softail Fat Boy Lo vs Harley-davidson Fat Boy
Side-by-side comparison for used motorcycle buyers
Harley-davidson Softail Fat Boy Lo vs Harley-davidson Fat Boy. Harley-davidson Softail Fat Boy Lo: 67 hp @ 3,500 rpm (note: estimate based on Twin Cam 96 / 103 engine outputs; Harley-Davidson did not always publish official HP figures) hp, 317 kg (wet/curb weight) weight, top speed 175 km/h (estimated), Motoryk rating 7.5/10. Harley-davidson Fat Boy: 93 hp @ 5,020 rpm (Milwaukee-Eight 114, current generation) hp, 317 kg (wet/curb weight, 2023 FLFBS model) weight, top speed 175 km/h (estimated; note: electronically limited in some markets), Motoryk rating 7.8/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"A genuine head-turner that rewards patient, relaxed riders who plan accordingly."
"A genuine icon that rewards patient, budget-conscious buyers who shop carefully."
Top 10 Accessories
Picks that work on either bike.









