Harley-Davidson Softail Fat Boy Lo vs Harley-Davidson Softail Blackline Dark Custom (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Softail Fat Boy Lostacks up against the Harley-Davidson Softail Blackline Dark Custom. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Harley-Davidson Softail Fat Boy Lo | Harley-Davidson Softail Blackline Dark Custom |
|---|---|---|
| Model year | 2017 | 2013 |
| Price | — | $15,599 |
| Engine | 1688 cc | 1688 cc |
| Torque | 136 Nm | 134 Nm |
| Weight | 320 kg | 294 kg |
| Seat height | 24 mm | 24 mm |
| Fuel capacity | 5.0 L | 5.0 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Double disc. 4-piston. ABS. | Single disc |
| Rear brakes | Single disc. 2-piston. ABS. | Single disc |
| Tires | 140/75-R17 / 200/55-R17 | MH90-21 / 200/55-R17 |
Harley-Davidson Softail Fat Boy Lo vs Harley-Davidson Softail Blackline Dark Custom — which should you buy?
Picking between the Harley-Davidson Softail Fat Boy Lo and the Harley-Davidson Softail Blackline Dark Custom usually comes down to the numbers you care about most. On paper, the Harley-Davidson Softail Fat Boy Lo brings its published horsepower in a 320 kg package, while the Harley-Davidson Softail Blackline Dark Custom counters with its own power figure at 294 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:

