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Published on 6/24/2026

Merlin V12-Powered 1930 Rolls-Royce "Speed Wagon"

motorious.com · classic-car-auctions · Classic Car History & Heritage

Merlin V12-Powered 1930 Rolls-Royce "Speed Wagon"

Insight summary

  • A 1930 Rolls-Royce has been converted to use a 27-liter Merlin V12 aero engine originally developed for WWII aircraft.
  • The car features a manual gearbox, unusual for aero-engine road cars typically equipped with automatics.
  • The Merlin engine powered iconic aircraft like the Spitfire and P-51 Mustang, producing up to 2,000+ horsepower in later versions.
  • The engine's tank variant, the Meteor, powered British tanks until 1964 and shares displacement with the Merlin.
  • Post-WWII, few enthusiasts installed surplus Merlin/Meteor engines into road cars, creating rare, powerful vehicles.
  • This custom car retains original 1930 chassis and brake hardware with modern Michelin tires and lightweight aluminum bodywork.
  • The vehicle will be auctioned by Mecum at Monterey, California, noted for its unique engineering and historical significance.

Content details

Industry
classic-car-auctions
Topic
Classic Car History & Heritage
Source
motorious.com
Language
en
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Merlin V12-Powered 1930 Rolls-Royce "Speed Wagon" | Sperto