
Photo: Yesterdays Antique Motorcycles · CC BY-SA 4.0
Classic motorcycle head-to-head
Norton Dominator 99 scores 75/100 overall against Royal Enfield Interceptor 750 on 76/100. On the road: 67–62. As classics: 83–90. Overall result: Royal Enfield Interceptor 750.

Photo: Yesterdays Antique Motorcycles · CC BY-SA 4.0

The numbers
| Category | Norton Dominator 99 | Royal Enfield Interceptor | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 8 | Royal Enfield Interceptor |
| HandlingSteering, stability, weight and real-road manners. | 9 | 7 | Norton Dominator 99 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 5 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 5 | Norton Dominator 99 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 5 | Norton Dominator 99 |
| ComfortRiding position, vibration and suitability for longer journeys. | 7 | 7 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 8 | 9 | Royal Enfield Interceptor |
| Historical importanceInfluence on motorcycling and importance within its era. | 8 | 8 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 8 | 9 | Royal Enfield Interceptor |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 10 | Royal Enfield Interceptor |
you want Norton's celebrated Featherbed handling with traditional twin-cylinder character and understated period style.
you want a rare, torquey British twin with handsome styling and a distinctive alternative to Triumph, BSA and Norton.
Background
The Norton Dominator 99 was produced from 1956–1962 and used a 597cc air-cooled parallel twin. Within this comparison library it stands out particularly for handling, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
The Royal Enfield Interceptor 750 was produced from 1962–1970 and used a 736cc air-cooled parallel twin. Within this comparison library it stands out particularly for character, styling, collector appeal. 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 Norton Dominator 99. Its library score for handling 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 Royal Enfield Interceptor 750. 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.
Before you buy
Period opposition
Final result
Norton Dominator 99 wins the direct on-the-road comparison. Royal Enfield Interceptor 750 wins the classic-motorcycle comparison. Royal Enfield Interceptor 750 takes the overall result after the road and classic scores are weighted equally.