Rolls-Royce Phantom III (1925)Sicnag, CC BY 2.0, via Wikimedia Commons

Rolls-Royce Phantom III V12

1925 — UK

Pre-War (before 1946)Luxury CarSedanBritishV12 EngineMovie / TV FamousInvestment GradeMillion Dollar ClubLimited ProductionPre-War Masterpieces
Engine7,340 cc V12 OHV
Power165 hp
Torque350 lb-ft
Transmission4-speed manual (synchromesh on top three gears)
DrivetrainRWD
Body StyleSedan
Weight5,732 lbs
Top Speed92 mph
Production727 units
Original MSRP$15,000
BrakesDrum (servo-assisted) / Drum (servo-assisted)
SuspensionIndependent, wishbones, coil springs / Live axle, semi-elliptic leaf springs

Rolls-Royce Phantom III V12

The Rolls-Royce Phantom III, introduced in 1936, was the most technically advanced car Rolls-Royce had ever produced and the only pre-war Rolls-Royce powered by a V12 engine. It represented Henry Royce's final masterwork, incorporating independent front suspension for the first time and a V12 engine of remarkable smoothness and refinement.

The 7.3-litre overhead-valve V12 was a marvel of engineering, producing approximately 165 horsepower with such smoothness that the traditional 'Spirit of Ecstasy' mascot would barely tremble at idle. The engine incorporated hydraulic valve lifters, a one-shot lubrication system, and a mechanical fuel pump arrangement that was considered the pinnacle of carburetor technology.

Independent front suspension, using wishbones and coil springs, was a significant departure for Rolls-Royce and made the Phantom III one of the first luxury cars to offer this technology. The improvement in ride quality and handling was immediately apparent, with the Phantom III offering a level of comfort that set new standards even by Rolls-Royce's exacting measure.

Coachwork, as was traditional for Rolls-Royce, was fitted by independent coachbuilders to the customer's specification. The finest houses — Barker, Hooper, Park Ward, H.J. Mulliner, and Thrupp & Maberly — created bodies of extraordinary beauty and craftsmanship. Some of the most beautiful coachwork ever fitted to a motor car adorns Phantom III chassis.

The Phantom III was the transport of choice for royalty, heads of state, and the wealthiest individuals in the world. It represented the absolute pinnacle of automotive luxury, with a ride quality, refinement, and presence that no other car could match. Each car was individually commissioned, with the customer specifying every detail from exterior finish to interior trim materials.

Production was curtailed by the outbreak of World War II in 1939, with 727 chassis completed. The Phantom III was not revived after the war; the V12 engine was deemed too complex and expensive for post-war conditions, and Rolls-Royce returned to inline engines for its subsequent models.

Today, the Phantom III is highly prized by collectors, particularly examples with coachwork from the most prestigious builders. The car represents the zenith of pre-war luxury motoring, combining engineering excellence with artistic coachwork in a way that the post-war automotive industry would never replicate.

$200,000 – $1,500,000

The V12 engine is complex and expensive to maintain; ensure a specialist familiar with Phantom III engines has recently servected the car. Hydraulic tappets require specific oil grades and regular attention. Independent front suspension components need specialist inspection. Coachwork condition and provenance is crucial for value — the finest coachbuilt bodies command enormous premiums. Check chassis for fatigue and corrosion. Complete history and documentation add significant value. The Rolls-Royce Enthusiasts' Club maintains comprehensive records.

Produced at Rolls-Royce's Derby factory from 1936 to 1939. Total chassis production was 727 units. Each received individual coachwork from the customer's chosen builder. The V12 engine was designed by a team that included Henry Royce's closest collaborators. Production ended with the outbreak of World War II.