Harley-Davidson FLSTI Heritage Softail vs Harley-Davidson FXSTDI Softail Deuce (2006)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FLSTI Heritage Softailstacks up against the Harley-Davidson FXSTDI Softail Deuce. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson FLSTI Heritage SoftailHarley-Davidson FXSTDI Softail Deuce
Model year20062006
Price$15,495$16,995
Engine1442 cc1442 cc
Torque115 Nm115 Nm
Weight305 kg295 kg
Fuel capacity5.0 L4.9 L
Fuel typepetrolpetrol
Transmission5-speed5-speed
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
TiresMT90-B16 / 150/80-B16 MH90-21 / 160/70-B17

Harley-Davidson FLSTI Heritage Softail vs Harley-Davidson FXSTDI Softail Deuce — which should you buy?

Picking between the Harley-Davidson FLSTI Heritage Softail and the Harley-Davidson FXSTDI Softail Deuce usually comes down to the numbers you care about most. On paper, the Harley-Davidson FLSTI Heritage Softail brings its published horsepower in a 305 kg package, while the Harley-Davidson FXSTDI Softail Deuce counters with its own power figure at 295 kg. On price, the Harley-Davidson FLSTI Heritage Softail 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: