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

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

Spec comparison

SpecHarley-Davidson FXDI Dyna Super GlideHarley-Davidson FLSTFI Fat Boy
Model year20062006
Price$12,195$16,545
Engine1442 cc1442 cc
Torque115 Nm115 Nm
Weight287 kg310 kg
Fuel capacity4.8 L5.0 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
Tires100/90-19 / 160/70-B17 MT90-B16 / 150/80-B16

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

Picking between the Harley-Davidson FXDI Dyna Super Glide and the Harley-Davidson FLSTFI Fat Boy usually comes down to the numbers you care about most. On paper, the Harley-Davidson FXDI Dyna Super Glide brings its published horsepower in a 287 kg package, while the Harley-Davidson FLSTFI Fat Boy counters with its own power figure at 310 kg. On price, the Harley-Davidson FXDI Dyna Super Glide 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: