Harley-Davidson Softail® Fat Boy® Gray Ghost vs Harley Davidson Softail® Low Rider® ST (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Softail® Fat Boy® Gray Ghoststacks up against the Harley Davidson Softail® Low Rider® ST. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson Softail® Fat Boy® Gray GhostHarley Davidson Softail® Low Rider® ST
Model year20252026
Price$23,999
Engine1923 cc1923 cc
Weight315 kg311 kg
Seat height715 mm
Fuel capacity18.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Belt
Front brakesDual Hydraulic Disc
Rear brakesHydraulic Disc
TiresMichelin® Scorcher® 11 160/60 R18 70V BW / Michelin® Scorcher® 11 240/40 R18 79V BWMichelin® Scorcher® 31 110/90 R19 62H / Michelin® Scorcher® 31 180/70 R16 77H

Harley-Davidson Softail® Fat Boy® Gray Ghost vs Harley Davidson Softail® Low Rider® ST — which should you buy?

Picking between the Harley-Davidson Softail® Fat Boy® Gray Ghost and the Harley Davidson Softail® Low Rider® ST usually comes down to the numbers you care about most. On paper, the Harley-Davidson Softail® Fat Boy® Gray Ghost brings its published horsepower in a 315 kg package, while the Harley Davidson Softail® Low Rider® ST counters with its own power figure at 311 kg.

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: