
Photo: John de Guerre · CC BY-SA 3.0
Classic motorcycle head-to-head
Kawasaki GPz750 scores 84/100 overall against Kawasaki Z650 on 86/100. On the road: 78–83. As classics: 90–88. Overall result: Kawasaki Z650.

Photo: John de Guerre · CC BY-SA 3.0

The numbers
| Category | Kawasaki GPz750 | Kawasaki Z650 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 9 | 8 | Kawasaki GPz750 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 9 | Kawasaki Z650 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 8 | 8 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 9 | Kawasaki Z650 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 8 | Kawasaki Z650 |
| ComfortRiding position, vibration and suitability for longer journeys. | 7 | 8 | Kawasaki Z650 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 9 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 9 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 8 | Kawasaki GPz750 |
you want muscular early-1980s Kawasaki performance, distinctive GPz styling and a direct link to the developing superbike era.
you want the sweet-handling middleweight Kawasaki four that combined strong performance with more manageable size than the Z1.
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 Kawasaki Z650 was produced from 1976–1983 and used a 652cc air-cooled DOHC inline four. Within this comparison library it stands out particularly for styling, reliability, historic importance. 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 Kawasaki Z650. 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
Period opposition
Final result
Kawasaki Z650 wins the direct on-the-road comparison. Kawasaki GPz750 wins the classic-motorcycle comparison. Kawasaki Z650 takes the overall result after the road and classic scores are weighted equally.