
Photo: Peprovira · CC BY-SA 3.0
Classic motorcycle head-to-head
Manx Norton 500 scores 80/100 overall against Triumph Bonneville T120 on 82/100. On the road: 60–65. As classics: 100–98. Overall result: Triumph Bonneville T120.

Photo: Peprovira · CC BY-SA 3.0

The numbers
| Category | Manx Norton | Triumph Bonneville | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 8 | 6 | Manx Norton |
| HandlingSteering, stability, weight and real-road manners. | 10 | 8 | Manx Norton |
| BrakingDirect comparison of real stopping ability without an age allowance. | 7 | 5 | Manx Norton |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 6 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 3 | 8 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 2 | 6 | Triumph Bonneville |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 10 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 9 | Manx Norton |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
you want one of racing's most important motorcycles, with sublime handling, competition pedigree and exceptional desirability.
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Background
The Manx Norton 500 was produced from 1947–1962 and used a 499cc air-cooled DOHC racing single. Within this comparison library it stands out particularly for styling, historic importance, handling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Manx Norton 500. Its library score for styling 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.
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. Its library score for styling 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.
Before you buy
Period opposition
Final result
Triumph Bonneville T120 wins the direct on-the-road comparison. Manx Norton 500 wins the classic-motorcycle comparison. Triumph Bonneville T120 takes the overall result after the road and classic scores are weighted equally.