BMW R80 G/S
85/100 Overall
77 On the road93 As a classic
Classic motorcycle head-to-head
BMW R80 G/S vs Ducati 851
BMW R80 G/S scores 85/100 overall against Ducati 851 on 87/100. On the road: 77–73. As classics: 93–100. Overall result: Ducati 851.
Ducati 851
87/100 Overall
73 On the road100 As a classic
The numbers
Category-by-category result
| Category | BMW R80 G/S | Ducati 851 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 9 | Ducati 851 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 9 | Ducati 851 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 9 | Ducati 851 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 9 | 7 | BMW R80 G/S |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 9 | 6 | BMW R80 G/S |
| ComfortRiding position, vibration and suitability for longer journeys. | 8 | 4 | BMW R80 G/S |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 8 | 10 | Ducati 851 |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 10 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 10 | Ducati 851 |
Choose the BMW R80 G/S if…
you want the pioneering large-capacity adventure bike, combining simple boxer engineering with genuine all-road ability.
Choose the Ducati 851 if…
you want a landmark Ducati superbike whose fuel-injected Desmoquattro engine helped define the modern Italian V-twin.
Background
History
BMW R80 G/S
The BMW R80 G/S was produced from 1980–1987 and used a 797.5cc air-cooled opposed twin. Within this comparison library it stands out particularly for collector appeal, historic importance and character. It is included as an important reference point for comparisons with its closest period rivals.
Ducati 851
The Ducati 851 was produced from 1987–1992 and used a 851cc liquid-cooled four-valve desmodromic 90-degree V-twin. Within this comparison library it stands out particularly for character, collector appeal and historic importance. It is included as an important reference point for comparisons with its closest period rivals.
Interesting details
Did you know?
BMW R80 G/S
- Its production span in this library runs from 1980 to 1987.
- The recorded engine description is: 797.5cc air-cooled opposed twin.
- Its strongest comparison scores are collector appeal, historic importance and character.
Ducati 851
- Its production span in this library runs from 1987 to 1992.
- The recorded engine description is: 851cc liquid-cooled four-valve desmodromic 90-degree V-twin.
- Its strongest comparison scores are character, collector appeal and historic importance.
Present-day appeal
Collector notes
BMW R80 G/S
Collector interest is strongest where condition, originality and correct period details support the identity of the BMW R80 G/S. Its library score for collector appeal 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.
Ducati 851
Collector interest is strongest where condition, originality and correct period details support the identity of the Ducati 851. Its library score for character 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 R80 G/S
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check primary-drive or final-drive condition, charging output, engine mounts and signs of persistent leakage.
- 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.
Ducati 851
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check primary-drive or final-drive condition, charging output, engine mounts and signs of persistent leakage.
- 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 R80 G/S
Rivals to the Ducati 851
Final result
The verdict
BMW R80 G/S wins the direct on-the-road comparison. Ducati 851 wins the classic-motorcycle comparison. Ducati 851 takes the overall result after the road and classic scores are weighted equally.