Classic motorcycle head-to-head

BMW R90S vs Harley-Davidson FX Super Glide

BMW R90S scores 88/100 overall against Harley-Davidson FX Super Glide on 77/100. On the road: 83–58. As classics: 93–95. Overall result: BMW R90S.

The numbers

Category-by-category result

CategoryBMW R90SHarley-Davidson Super GlideAdvantage
road
PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field.85BMW R90S
HandlingSteering, stability, weight and real-road manners.86BMW R90S
BrakingDirect comparison of real stopping ability without an age allowance.74BMW R90S
ReliabilityEngine, electrics and general dependability when properly maintained.95BMW R90S
Ease of ownershipMaintenance, parts supply and access to specialist knowledge.98BMW R90S
ComfortRiding position, vibration and suitability for longer journeys.97BMW R90S
classic
StylingDesign quality, visual presence and period appeal.109BMW R90S
Historical importanceInfluence on motorcycling and importance within its era.910Harley-Davidson Super Glide
Collector appealLong-term desirability among classic motorcycle enthusiasts.109BMW R90S
CharacterSound, feel, personality and memorable riding experience.810Harley-Davidson Super Glide

Choose the BMW R90S if…

you want high-speed touring ability, engineering quality and one of BMW's most significant sporting classics.

Choose the Harley-Davidson Super Glide if…

you want the original factory custom concept, lighter Harley road manners and unmistakable Shovelhead character.

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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.

Harley-Davidson Super Glide

The Harley-Davidson FX Super Glide was produced from 1971–1984 and used a Air-cooled 45-degree Shovelhead V-twin. Within this comparison library it stands out particularly for character, historic importance and collector appeal. It is included as an important reference point for comparisons with its closest period rivals.

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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.

Harley-Davidson Super Glide

  • Its production span in this library runs from 1971 to 1984.
  • The recorded engine description is: Air-cooled 45-degree Shovelhead V-twin.
  • Its strongest comparison scores are character, historic importance and collector appeal.
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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.

Harley-Davidson Super Glide

Collector interest is strongest where condition, originality and correct period details support the identity of the Harley-Davidson FX Super Glide. 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.

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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.

Harley-Davidson Super Glide

  • 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

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Final result

The verdict

BMW R90S wins the direct on-the-road comparison. Harley-Davidson FX Super Glide wins the classic-motorcycle comparison. BMW R90S takes the overall result after the road and classic scores are weighted equally.

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