
Photo: Joe Tordiff · CC BY-SA 2.0
Classic motorcycle head-to-head
Honda CB400F scores 78/100 overall against Suzuki GS550 on 81/100. On the road: 70–82. As classics: 85–80. Overall result: Suzuki GS550.

Photo: Joe Tordiff · CC BY-SA 2.0

Photo: NESR 1978 · CC BY-SA 2.0
The numbers
| Category | Honda CB400F | Suzuki GS550 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 8 | Suzuki GS550 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 8 | Suzuki GS550 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 9 | Suzuki GS550 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 8 | Level |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 8 | Suzuki GS550 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 8 | Honda CB400F |
| Historical importanceInfluence on motorcycling and importance within its era. | 8 | 8 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 8 | Honda CB400F |
| CharacterSound, feel, personality and memorable riding experience. | 8 | 8 | Level |
you want jewel-like engineering, light controls, a beautiful four-into-one exhaust and an engaging small-capacity Honda four.
you want smooth four-cylinder performance, good reliability and a well-balanced Japanese middleweight that is easy to enjoy.
Background
The Honda CB400F was produced from 1975–1977 and used a 408cc air-cooled SOHC inline four. 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.
The Suzuki GS550 was produced from 1977–1986 and used a 549cc air-cooled DOHC inline four. Within this comparison library it stands out particularly for reliability, styling, performance. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Honda CB400F. Its library score for styling 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.
Collector interest is strongest where condition, originality and correct period details support the identity of the Suzuki GS550. Its library score for reliability 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
Period opposition
Final result
Suzuki GS550 wins the direct on-the-road comparison. Honda CB400F wins the classic-motorcycle comparison. Suzuki GS550 takes the overall result after the road and classic scores are weighted equally.