
Photo: John de Guerre · CC BY-SA 3.0
Classic motorcycle head-to-head
Kawasaki GPz750 scores 84/100 overall against Triumph Bonneville T120 on 82/100. On the road: 78–65. As classics: 90–98. Overall result: Kawasaki GPz750.

Photo: John de Guerre · CC BY-SA 3.0

The numbers
| Category | Kawasaki GPz750 | Triumph Bonneville | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 9 | 6 | Kawasaki GPz750 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 8 | 5 | Kawasaki GPz750 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 6 | Kawasaki GPz750 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 8 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 7 | 6 | Kawasaki GPz750 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | Triumph Bonneville |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 10 | Triumph Bonneville |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 10 | Triumph Bonneville |
you want muscular early-1980s Kawasaki performance, distinctive GPz styling and a direct link to the developing superbike era.
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Background
The Kawasaki GPz750 was produced from 1982–1985 and used a 738cc air-cooled DOHC inline four. Within this comparison library it stands out particularly for styling, performance, historic importance. 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 Kawasaki GPz750. 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.
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
Kawasaki GPz750 wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Kawasaki GPz750 takes the overall result after the road and classic scores are weighted equally.