
Classic motorcycle head-to-head
BMW R90S vs Suzuki RG500 Gamma
BMW R90S scores 88/100 overall against Suzuki RG500 Gamma on 89/100. On the road: 83–77. As classics: 93–100. Overall result: Suzuki RG500 Gamma.


Photo: Thesupermat · CC BY-SA 4.0
Suzuki RG500 Gamma
The numbers
Category-by-category result
| Category | BMW R90S | Suzuki RG500 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 8 | 10 | Suzuki RG500 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 10 | Suzuki RG500 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 7 | 9 | Suzuki RG500 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 9 | 7 | BMW R90S |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 9 | 5 | BMW R90S |
| ComfortRiding position, vibration and suitability for longer journeys. | 9 | 5 | BMW R90S |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 10 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 10 | Suzuki RG500 |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 10 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 8 | 10 | Suzuki RG500 |
Choose the BMW R90S if…
you want high-speed touring ability, engineering quality and one of BMW's most significant sporting classics.
Choose the Suzuki RG500 if…
you want a road-going Grand Prix experience, extraordinary two-stroke performance and blue-chip collector status.
Background
History
BMW R90S
The BMW R90S was produced from 1973–1976 and used a 898cc air-cooled opposed twin. Within this comparison library it stands out particularly for styling, collector appeal, reliability. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Suzuki RG500
The Suzuki RG500 Gamma was produced from 1985–1987 and used a 498cc liquid-cooled two-stroke square 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.
Interesting details
Did you know?
BMW R90S
- Its production span in this library runs from 1973 to 1976.
- The recorded engine description is: 898cc air-cooled opposed twin.
- Its strongest comparison scores are styling, collector appeal, reliability.
Suzuki RG500
- Its production span in this library runs from 1985 to 1987.
- The recorded engine description is: 498cc liquid-cooled two-stroke square four.
- Its strongest comparison scores are styling, performance, historic importance.
Present-day appeal
Collector notes
BMW R90S
Collector interest is strongest where condition, originality and correct period details support the identity of the BMW R90S. 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.
Suzuki RG500
Collector interest is strongest where condition, originality and correct period details support the identity of the Suzuki RG500 Gamma. 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
Buying checks
BMW R90S
- 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.
Suzuki RG500
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check the oil-injection or premix arrangement, crank seals and exhaust condition carefully.
- 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 BMW R90S
Rivals to the Suzuki RG500
Final result
The verdict
BMW R90S wins the direct on-the-road comparison. Suzuki RG500 Gamma wins the classic-motorcycle comparison. Suzuki RG500 Gamma takes the overall result after the road and classic scores are weighted equally.