Ariel Square Four
77/100 Overall
58 On the road95 As a classic
Classic motorcycle head-to-head
Ariel Square Four vs Triumph Tiger 100
Ariel Square Four scores 77/100 overall against Triumph Tiger 100 on 77/100. On the road: 58–63. As classics: 95–90. Overall result: A draw.
Photo: Classic & Classy Motorcycles Ltd · Owned by Classic & Classy Motorcycles Ltd
Triumph Tiger 100
77/100 Overall
63 On the road90 As a classic
The numbers
Category-by-category result
| Category | Ariel Square Four | Triumph Tiger 100 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 6 | Ariel Square Four |
| HandlingSteering, stability, weight and real-road manners. | 6 | 8 | Triumph Tiger 100 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 4 | 5 | Triumph Tiger 100 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 5 | 6 | Triumph Tiger 100 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 5 | 7 | Triumph Tiger 100 |
| ComfortRiding position, vibration and suitability for longer journeys. | 8 | 6 | Ariel Square Four |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 9 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 9 | Ariel Square Four |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 9 | Ariel Square Four |
Choose the Ariel Square Four if…
you want unique engineering, refined four-cylinder character and one of Britain's most distinctive luxury motorcycles.
Choose the Triumph Tiger 100 if…
you want a lighter sporting Triumph with an important name, lively handling and traditional 500cc twin character.
Background
History
Ariel Square Four
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.
Triumph Tiger 100
The Triumph Tiger 100 was produced from 1939–1973 and used a 498cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Ariel Square Four
- 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.
Triumph Tiger 100
- Its production span in this library runs from 1939 to 1973.
- The recorded engine description is: 498cc air-cooled parallel twin.
- Its strongest comparison scores are styling, historic importance, collector appeal.
Present-day appeal
Collector notes
Ariel Square Four
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.
Triumph Tiger 100
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Tiger 100. Its library score for styling is 9/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Buying checks
Ariel Square Four
- 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.
Triumph Tiger 100
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
- 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.
Period opposition
Historic rivals
Rivals to the Ariel Square Four
Rivals to the Triumph Tiger 100
Final result
The verdict
Triumph Tiger 100 wins the direct on-the-road comparison. Ariel Square Four wins the classic-motorcycle comparison. Their evenly weighted overall scores are tied, so the better choice depends on whether the rider values road ability or classic appeal most.