Classic motorcycle head-to-head

Benelli 750 Sei vs Triumph Bonneville T120

Benelli 750 Sei scores 82/100 overall against Triumph Bonneville T120 on 82/100. On the road: 68–65. As classics: 95–98. Overall result: A draw.

The numbers

Category-by-category result

CategoryBenelli 750 SeiTriumph BonnevilleAdvantage
road
PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field.86Benelli 750 Sei
HandlingSteering, stability, weight and real-road manners.78Triumph Bonneville
BrakingDirect comparison of real stopping ability without an age allowance.85Benelli 750 Sei
ReliabilityEngine, electrics and general dependability when properly maintained.66Level
Ease of ownershipMaintenance, parts supply and access to specialist knowledge.58Triumph Bonneville
ComfortRiding position, vibration and suitability for longer journeys.76Benelli 750 Sei
classic
StylingDesign quality, visual presence and period appeal.910Triumph Bonneville
Historical importanceInfluence on motorcycling and importance within its era.1010Level
Collector appealLong-term desirability among classic motorcycle enthusiasts.99Level
CharacterSound, feel, personality and memorable riding experience.1010Level

Choose the Benelli 750 Sei if…

you want the world's first production six-cylinder motorcycle, with exotic styling, sound and rarity.

Choose the Triumph Bonneville if…

you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.

📖

Background

History

Benelli 750 Sei

The Benelli 750 Sei was produced from 1974–1978 and used a 747cc air-cooled inline six. Within this comparison library it stands out particularly for historic importance, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.

Triumph Bonneville

The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc 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.

💡

Interesting details

Did you know?

Benelli 750 Sei

  • Its production span in this library runs from 1974 to 1978.
  • The recorded engine description is: 747cc air-cooled inline six.
  • Its strongest comparison scores are historic importance, character, styling.

Triumph Bonneville

  • Its production span in this library runs from 1959 to 1973.
  • The recorded engine description is: 649cc air-cooled parallel twin.
  • Its strongest comparison scores are styling, historic importance, character.
🏆

Present-day appeal

Collector notes

Benelli 750 Sei

Collector interest is strongest where condition, originality and correct period details support the identity of the Benelli 750 Sei. Its library score for historic importance 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.

Triumph Bonneville

Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. 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

Benelli 750 Sei

  • 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.

Triumph Bonneville

  • 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

Benelli 750 Sei wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Their evenly weighted overall scores are tied, so the better choice depends on whether the rider values road ability or classic appeal most.

Continue comparing

Compare another pair