Classic motorcycle profile
Ariel Square Four
77/100 overall
58/100 on the road
95/100 as a classic
History and character
The Ariel Square Four was produced from 1931–1959 and used a air-cooled square-four engine. Within this comparison library it stands out particularly for historic importance, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Specifications
| Production years | 1931–1959 |
|---|---|
| Engine | air-cooled square-four engine |
| Recorded capacities | 498cc, 601cc, 997cc, 1000cc |
| Manufacturer | Ariel |
| Model | Square Four |
Comparison scores
| Category | Score |
|---|---|
| Performance | 7/10 |
| Handling | 6/10 |
| Braking | 4/10 |
| Reliability | 5/10 |
| Ease of ownership | 5/10 |
| Comfort | 8/10 |
| Styling | 9/10 |
| Historical importance | 10/10 |
| Collector appeal | 9/10 |
| Character | 10/10 |
Did you know?
- Its production span in this library runs from 1931 to 1959.
- The recorded engine description is: air-cooled square-four engine.
- Its strongest comparison scores are historic importance, character, styling.
Collector notes
Collector interest is strongest where condition, originality and correct period details support the identity of the Ariel Square Four. Its library score for historic importance is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Buying checks
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.