Photo: Yesterdays Antique Motorcycles · CC BY-SA 4.0
Norton Commando 850
82/100 Overall
68 On the road95 As a classic
Classic motorcycle head-to-head
Norton Commando 850 vs Suzuki GT550
Norton Commando 850 scores 82/100 overall against Suzuki GT550 on 77/100. On the road: 68–73. As classics: 95–80. Overall result: Norton Commando 850.
Suzuki GT550
77/100 Overall
73 On the road80 As a classic
The numbers
Category-by-category result
| Category | Norton Commando | Suzuki GT550 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 8 | Suzuki GT550 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 7 | Norton Commando |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 7 | Suzuki GT550 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 5 | 8 | Suzuki GT550 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 7 | Norton Commando |
| ComfortRiding position, vibration and suitability for longer journeys. | 7 | 7 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 8 | Norton Commando |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 7 | Norton Commando |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 8 | Norton Commando |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 9 | Norton Commando |
Choose the Norton Commando if…
you want a fast, handsome British twin with excellent road manners and the distinctive Isolastic riding experience.
Choose the Suzuki GT550 if…
you want smooth two-stroke triple character, useful road manners and an appealing alternative to the better-known GT750.
Background
History
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.
Suzuki GT550
The Suzuki GT550 was produced from 1972–1977 and used a 543cc air-cooled two-stroke triple. Within this comparison library it stands out particularly for character, styling, reliability. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
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.
Suzuki GT550
- Its production span in this library runs from 1972 to 1977.
- The recorded engine description is: 543cc air-cooled two-stroke triple.
- Its strongest comparison scores are character, styling, reliability.
Present-day appeal
Collector notes
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.
Suzuki GT550
Collector interest is strongest where condition, originality and correct period details support the identity of the Suzuki GT550. Its library score for character is 9/10. 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
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.
Suzuki GT550
- 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 Norton Commando
Rivals to the Suzuki GT550
Final result
The verdict
Suzuki GT550 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.