Important Disclaimer - AI-Powered Identification
This identification is generated by an AI-powered tool for informational purposes only and should not be considered an official vehicle appraisal.
Key Limitations:
- AI analysis may contain errors or inaccuracies
- Cannot verify vehicle history or detect modifications
- Assessment limited to visible features in submitted images
- Does not account for mechanical condition or hidden damage
NOT to be used for:
- Insurance coverage determinations
- Tax reporting or estate valuations
- Legal proceedings or dispute settlements
- Commercial transactions or lending decisions
- Any purpose requiring certified appraisal
Always consult qualified professionals before making financial decisions. We assume no liability for losses resulting from use of this identification.
1930 Bentley 4.5 Litre Supercharged (Blower Bentley)
Bentley 4.5 Litre Supercharged
1927-1931 · sports car
Rarity Score
9/10 - Extremely Rare, highly prized pre-war collector car with limited surviving original examples.
Spot Difficulty
9/10 - Extremely difficult to spot in daily traffic, most frequently encountered at high-end historic motoring events like the Goodwood Revival, Pebble Beach, or exclusive European rallies.
Engine & Performance
Engine: Inline-4, 4,398 cc, Roots-type supercharger, approximately 240 horsepower
Transmission & Drivetrain: 4-speed manual non-synchromesh, RWD
Performance: 0-60 mph in approximately 11 seconds, top speed around 125 mph, heavy curb weight typical of vintage pre-war tourers.
Exterior
British Racing Green open-tourer body style, prominent mesh-covered large round headlights with the number 3 painted on the radiator stone guard, external side-mounted spare tires, wire-spoke wheels, and leather bonnet strap.
Interior Features
Spartan vintage cockpit with a wooden dashboard, large analog instrumentation dials, upright steering wheel, and button-tufted leather bench seating.
Condition Assessment
Excellent. Beautifully maintained vintage presentation with high attention to period-correct detail and clean coachwork.
Condition Issues: None apparent from the visible exterior; maintained in show-ready or rally-ready condition.
Estimated Mileage: Exempt / Unknown, driven sparingly for vintage rallies and exhibitions.
Historical Significance
One of the most iconic pre-war British racing cars, famously championed by the Bentley Boys at Le Mans and known for its legendary supercharged performance.
Notable Features
Distinctive front-mounted Roots supercharger (the 'blower') protruding forward of the radiator, large racing roundel number 3, and vintage Belgian registration plate reading AMICAL.
Production Numbers
Only 55 Bentley 4.5 Litre Supercharged (Blower) models were originally produced for road use to meet homologation requirements.
Valuation
Estimated Market Value: 3,000,000 USD to 7,000,000+ USD depending on provenance and whether it is an original team car or a high-end continuation/tribute.
Auction Estimate: 5,000,000 USD to 8,000,000 USD for authentic period examples.
Maintenance Recommendations
Specialist pre-war mechanical servicing, regular lubrication of exposed linkages, delicate tuning of the Roots supercharger system, and specialized tire inspections.
Fun Facts
W.O. Bentley famously opposed supercharging his engines, stating 'to supercharge a Bentley engine was to pervert its design,' but legendary Bentley Boy Sir Henry 'Tim' Birkin forced the development anyway. Ian Fleming's character James Bond drove a blown 4.5-litre Bentley in the original novels before switching to the Aston Martin DB5 in later adaptations. The iconic supercharger housing sits directly out in front of the radiator, giving the car its instantly recognizable aggressive snout.
Identified on: 10/3/2026
This AI-generated identification is for informational purposes only. It is not a substitute for professional evaluation. We assume no liability for decisions made based on this information.Read full disclaimer