
Classic motorcycle head-to-head
Harley-Davidson WLA vs Vincent Black Shadow
Harley-Davidson WLA scores 74/100 overall against Vincent Black Shadow on 83/100. On the road: 53–65. As classics: 95–100. Overall result: Vincent Black Shadow.


Photo: tomislavmedak · CC BY 2.0
Vincent Black Shadow
The numbers
Category-by-category result
| Category | Harley-Davidson WLA | Vincent Black Shadow | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 4 | 8 | Vincent Black Shadow |
| HandlingSteering, stability, weight and real-road manners. | 5 | 8 | Vincent Black Shadow |
| BrakingDirect comparison of real stopping ability without an age allowance. | 3 | 6 | Vincent Black Shadow |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 7 | 6 | Harley-Davidson WLA |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 4 | Harley-Davidson WLA |
| ComfortRiding position, vibration and suitability for longer journeys. | 5 | 7 | Vincent Black Shadow |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | Vincent Black Shadow |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 10 | Vincent Black Shadow |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Harley-Davidson WLA if…
you want unmistakable wartime history, rugged simplicity and one of the world's most recognisable military motorcycles.
Choose the Vincent Black Shadow if…
you want one of motorcycling's defining performance legends, extraordinary engineering and world-class collector appeal.
Background
History
Harley-Davidson WLA
The Harley-Davidson WLA was produced from 1940–1952 and used a 739cc air-cooled side-valve V-twin. 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.
Vincent Black Shadow
The Vincent Black Shadow was produced from 1948–1955 and used a 998cc air-cooled 50-degree V-twin. Within this comparison library it stands out particularly for styling, historic importance, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Harley-Davidson WLA
- Its production span in this library runs from 1940 to 1952.
- The recorded engine description is: 739cc air-cooled side-valve V-twin.
- Its strongest comparison scores are historic importance, character, styling.
Vincent Black Shadow
- Its production span in this library runs from 1948 to 1955.
- The recorded engine description is: 998cc air-cooled 50-degree V-twin.
- Its strongest comparison scores are styling, historic importance, collector appeal.
Present-day appeal
Collector notes
Harley-Davidson WLA
Collector interest is strongest where condition, originality and correct period details support the identity of the Harley-Davidson WLA. 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.
Vincent Black Shadow
Collector interest is strongest where condition, originality and correct period details support the identity of the Vincent Black Shadow. 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
Harley-Davidson WLA
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check primary drive, charging system, engine mounts and evidence of non-standard modifications.
- 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.
Vincent Black Shadow
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check primary drive, charging system, engine mounts and evidence of non-standard modifications.
- 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 Harley-Davidson WLA
Rivals to the Vincent Black Shadow
Final result
The verdict
Vincent Black Shadow wins the direct on-the-road comparison. Vincent Black Shadow wins the classic-motorcycle comparison. Vincent Black Shadow takes the overall result after the road and classic scores are weighted equally.