Classic motorcycle head-to-head

BSA A10 Golden Flash vs Norton Commando 850

BSA A10 Golden Flash scores 78/100 overall against Norton Commando 850 on 82/100. On the road: 65–68. As classics: 90–95. Overall result: Norton Commando 850.

The numbers

Category-by-category result

CategoryBSA Golden FlashNorton CommandoAdvantage
road
PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field.57Norton Commando
HandlingSteering, stability, weight and real-road manners.78Norton Commando
BrakingDirect comparison of real stopping ability without an age allowance.56Norton Commando
ReliabilityEngine, electrics and general dependability when properly maintained.65BSA Golden Flash
Ease of ownershipMaintenance, parts supply and access to specialist knowledge.88Level
ComfortRiding position, vibration and suitability for longer journeys.87BSA Golden Flash
classic
StylingDesign quality, visual presence and period appeal.1010Level
Historical importanceInfluence on motorcycling and importance within its era.99Level
Collector appealLong-term desirability among classic motorcycle enthusiasts.89Norton Commando
CharacterSound, feel, personality and memorable riding experience.910Norton Commando

Choose the BSA Golden Flash if…

you want a handsome, relaxed pre-unit British twin with strong period presence and excellent club support.

Choose the Norton Commando if…

you want a fast, handsome British twin with excellent road manners and the distinctive Isolastic riding experience.

📖

Background

History

BSA Golden Flash

The BSA A10 Golden Flash was produced from 1950–1963 and used a 646cc 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.

Norton Commando

The Norton Commando 850 was produced from 1973–1977 and used a 828cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, character, 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?

BSA Golden Flash

  • Its production span in this library runs from 1950 to 1963.
  • The recorded engine description is: 646cc air-cooled parallel twin.
  • Its strongest comparison scores are styling, historic importance, character.

Norton Commando

  • Its production span in this library runs from 1973 to 1977.
  • The recorded engine description is: 828cc air-cooled parallel twin.
  • Its strongest comparison scores are styling, character, historic importance.
🏆

Present-day appeal

Collector notes

BSA Golden Flash

Collector interest is strongest where condition, originality and correct period details support the identity of the BSA A10 Golden Flash. 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.

Norton Commando

Collector interest is strongest where condition, originality and correct period details support the identity of the Norton Commando 850. 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

BSA Golden Flash

  • Confirm the frame and engine identity match the advertised model and year.
  • Check cold starting, smoke, oil leaks and unusual mechanical noise.
  • Check vibration-related fasteners, primary drive condition and signs of persistent oil 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.

Norton Commando

  • Confirm the frame and engine identity match the advertised model and year.
  • Check cold starting, smoke, oil leaks and unusual mechanical noise.
  • Check vibration-related fasteners, primary drive condition and signs of persistent oil 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

🏁

Final result

The verdict

Norton Commando 850 wins the direct on-the-road comparison. Norton Commando 850 wins the classic-motorcycle comparison. Norton Commando 850 takes the overall result after the road and classic scores are weighted equally.

Continue comparing

Compare another pair