Harley-Davidson FLSTFI Fat Boy vs Harley-Davidson FXDCI Dyna Super Glide Custom (2006)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FLSTFI Fat Boystacks up against the Harley-Davidson FXDCI Dyna Super Glide Custom. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson FLSTFI Fat BoyHarley-Davidson FXDCI Dyna Super Glide Custom
Model year20062006
Price$16,545$14,195
Engine1442 cc1442 cc
Torque115 Nm115 Nm
Weight310 kg291 kg
Fuel capacity5.0 L4.8 L
Fuel typepetrolpetrol
Transmission5-speed6-speed
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
TiresMT90-B16 / 150/80-B16 100/90-19 / 160/70-B17

Harley-Davidson FLSTFI Fat Boy vs Harley-Davidson FXDCI Dyna Super Glide Custom — which should you buy?

Picking between the Harley-Davidson FLSTFI Fat Boy and the Harley-Davidson FXDCI Dyna Super Glide Custom usually comes down to the numbers you care about most. On paper, the Harley-Davidson FLSTFI Fat Boy brings its published horsepower in a 310 kg package, while the Harley-Davidson FXDCI Dyna Super Glide Custom counters with its own power figure at 291 kg. On price, the Harley-Davidson FXDCI Dyna Super Glide Custom 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: