Harley-Davidson Softail® Fat Boy® Gray Ghost vs Harley-Davidson Low Rider ST (2025)
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 Low Rider ST. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Harley-Davidson Softail® Fat Boy® Gray Ghost | Harley-Davidson Low Rider ST |
|---|---|---|
| Model year | 2025 | 2024 |
| Price | — | $23,399 |
| Engine | 1923 cc | 1923 cc |
| Horsepower | — | 103 hp |
| Torque | — | 170 Nm |
| Weight | 315 kg | 315 kg |
| Seat height | — | 27 mm |
| Fuel capacity | — | 5.0 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | — | Single disc. ABS. 4-piston |
| Rear brakes | — | Single disc. ABS. 2-piston |
| Tires | Michelin® Scorcher® 11 160/60 R18 70V BW / Michelin® Scorcher® 11 240/40 R18 79V BW | 110/90-B19 / 180/70-B16 |
Harley-Davidson Softail® Fat Boy® Gray Ghost vs Harley-Davidson Low Rider ST — which should you buy?
Picking between the Harley-Davidson Softail® Fat Boy® Gray Ghost and the Harley-Davidson 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 Low Rider ST counters with 103 hp at 315 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: