Harley-Davidson Softail Slim vs Harley-Davidson Softail Fat Bob (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Softail Slimstacks up against the Harley-Davidson Softail Fat Bob. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Harley-Davidson Softail Slim | Harley-Davidson Softail Fat Bob |
|---|---|---|
| Model year | 2021 | 2019 |
| Price | $15,999 | $17,049 |
| Engine | 1746 cc | 1746 cc |
| Horsepower | 86 hp | 86 hp |
| Torque | 149 Nm | 145 Nm |
| Weight | 291 kg | 296 kg |
| Seat height | 26 mm | 28 mm |
| Fuel capacity | 5.0 L | 3.6 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Optional ABS. 4-piston | Double disc. ABS. 4-piston. |
| Rear brakes | Single disc. Optional ABS. 2-piston | Single disc. ABS. 2-piston. |
| Tires | 130/90-B16 / 150/80-B16 | 150/80-16 / 180/70-B16 |
Harley-Davidson Softail Slim vs Harley-Davidson Softail Fat Bob — which should you buy?
Picking between the Harley-Davidson Softail Slim and the Harley-Davidson Softail Fat Bob usually comes down to the numbers you care about most. On paper, the Harley-Davidson Softail Slim brings 86 hp in a 291 kg package, while the Harley-Davidson Softail Fat Bob counters with 86 hp at 296 kg. On price, the Harley-Davidson Softail Slim 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: