Harley-Davidson Fat Boy: specs and comparison
Harley-Davidson Fat Boy (Cruiser, since 2025): 1923 cc engine, 77 kW / 105 hp, 315 kg (with fluids), seat height 675 mm. Licence: A only.
Compare Harley-Davidson Fat Boy with any model
Harley-Davidson Fat Boysince 2025 · 1923 cm³ · 77 kW
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Generations
117 Milwaukee-Eight (since 2025)
| Years | since 2025 |
|---|---|
| Type | Cruiser |
| Licence | A only |
| Engine | 1923 cm³, 2 cyl. |
| Power | 77 kW / 105 hp |
| Weight | 315 kg (with fluids) |
| Seat height | 675 mm |
| ABS | ABS |
| Drive / gearbox | belt, manual |
| Tank | 18.9 l |
| Fuel use | 6.2 l/100 km |
| Range on one tank | 270 km |
| New price (official list, DE) | £23,800 - £25,000 |
| Used price (estimate) | £22,800 - £24,400 |
114 Milwaukee-Eight (2020-2024)
| Years | 2020-2024 |
|---|---|
| Type | Cruiser |
| Licence | A only |
| Engine | 1868 cm³, 2 cyl. |
| Power | 69 kW / 94 hp |
| Weight | 317 kg (with fluids) |
| Seat height | 675 mm |
| ABS | ABS |
| Drive / gearbox | belt, manual |
| Tank | 18.9 l |
| Fuel use | 5.5 l/100 km |
| Range on one tank | 300 km |
| Used price (estimate) | £18,200 - £22,400 |
107 Milwaukee-Eight (2018-2020)
| Years | 2018-2020 |
|---|---|
| Type | Cruiser |
| Licence | A2 with restriction kit |
| Engine | 1745 cm³, 2 cyl. |
| Power | 64 kW / 87 hp |
| Weight | 317 kg (with fluids) |
| Seat height | 665 mm |
| ABS | ABS |
| Drive / gearbox | belt, manual |
| Tank | 18.9 l |
| Fuel use | 6 l/100 km |
| Range on one tank | 270 km |
| Used price (estimate) | £15,600 - £17,300 |
Why it's worth it
- Holds its value well
- Huge choice of accessories
- Smooth, predictable power
- Low seat: up to 780 mm
Weak points
- Noticeable vibrations
- Not great for a passenger
- Heavy: 230 kg or more
What to check on a used one
- Service history: stamps and invoices
- Electrical connectors: corrosion, lights, switches
- Battery and charging: fast, strong start
Similar motorcycles
- Harley-Davidson Breakout 1923 cm³ · 76 kW · 665 mm
- Harley-Davidson Low Rider S 1923 cm³ · 77 kW · 710 mm
- Harley-Davidson Fat Bob 1868 cm³ · 69 kW · 710 mm
- Harley-Davidson Street Bob 1923 cm³ · 68 kW · 680 mm
- BMW R 18 1802 cm³ · 67 kW · 720 mm
- Harley-Davidson Low Rider ST 1923 cm³ · 85 kW · 715 mm
- Indian Chief 1890 cm³ · 65 kW · 660 mm
- Indian Super Chief 1890 cm³ · 65 kW · 665 mm
Questions
Is the Harley-Davidson Fat Boy A2-legal?
No: 77 kW is over 70 kW, so it cannot be restricted for A2. It needs a full A licence.
What is the seat height of the Harley-Davidson Fat Boy?
675 mm. Whether you reach the ground also depends on the seat width: the finder estimates it from your height and inseam.
How much does the Harley-Davidson Fat Boy weigh?
315 kg (with fluids).
What is the fuel use and range of the Harley-Davidson Fat Boy?
About 6.2 l/100 km; with the 18.9 l tank that is roughly 270 km before the reserve.
Specs from makers and test sources; prices are estimates. Check the bike you buy.