Excelsior 20R vs Harley-Davidson Model J (1929)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Excelsior 20Rstacks up against the Harley-Davidson Model J. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Excelsior 20R | Harley-Davidson Model J |
|---|---|---|
| Model year | 1925 | 1929 |
| Price | — | — |
| Engine | 974 cc | 989 cc |
| Weight | — | 181 kg |
| Fuel type | petrol | petrol |
| Rear brakes | — | Expanding brake (drum brake) |
| Tires | — | 3-26 / 3-26 |
Excelsior 20R vs Harley-Davidson Model J — which should you buy?
Picking between the Excelsior 20R and the Harley-Davidson Model J usually comes down to the numbers you care about most. On paper, the Excelsior 20R brings its published horsepower, while the Harley-Davidson Model J counters with its own power figure at 181 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:

