
Photo: elenchos from Seattle, USA · CC BY 2.0
Classic motorcycle head-to-head
Ducati 500 SL Pantah scores 83/100 overall against Triumph Bonneville T120 on 82/100. On the road: 72–65. As classics: 93–98. Overall result: Ducati 500 SL Pantah.

Photo: elenchos from Seattle, USA · CC BY 2.0

The numbers
| Category | Ducati Pantah | Triumph Bonneville | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 6 | Ducati Pantah |
| HandlingSteering, stability, weight and real-road manners. | 9 | 8 | Ducati Pantah |
| BrakingDirect comparison of real stopping ability without an age allowance. | 7 | 5 | Ducati Pantah |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 7 | 6 | Ducati Pantah |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 8 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 6 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | Triumph Bonneville |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 10 | Triumph Bonneville |
you want the historically important Ducati that introduced the belt-drive desmodromic V-twin architecture used for decades.
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Background
The Ducati 500 SL Pantah was produced from 1979–1983 and used a 499cc air-cooled belt-drive V-twin. Within this comparison library it stands out particularly for historic importance, styling, 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 Ducati 500 SL Pantah. 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.
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
Ducati 500 SL Pantah wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Ducati 500 SL Pantah takes the overall result after the road and classic scores are weighted equally.