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1972 Napier-Bentley

CarBrandLogos archive · Napier · 1972

NapierNapier-Bentley

The Napier-Bentley — twenty-four litres of borrowed thunder, still running.

Discover the story

Photo: Dave Rogers · CC BY-SA 3.0

A defining chapter in Napier history.

Explore the ideas, engineering and context that shaped the Napier-Bentley, then continue into its specifications and place in the marque's lineage.

Napier Bentley burnout Mallory Park

01

Origins

The Napier-Bentley is a special in the grand Edwardian tradition, assembled in 1972: a 1929 Bentley chassis carrying a 24-litre Napier Sea Lion — the marine descendant of the Lion aero engine — producing around 580 horsepower and visible flame, driven through a period gearbox with vintage brakes negotiating modern reality. Created by David Llewellyn and campaigned for decades most famously by Chris Williams, it became a beloved fixture of British hillclimbs and festivals, where its ground-shaking idle and sheet-flame upshifts draw crowds no modern hypercar commands. It represents Napier's afterlife perfectly: the company built its last car in the twenties, yet its engines kept British motoring's theatrical wing supplied for a century. The Napier-Bentley is heritage as performance art — loud, absurd, magnificent.

Napier Bentley burnout Mallory Park · Motorsport Central · CC BY-SA 2.0

The facts that define it.

Engine

24,000 cc Napier Sea-Lion W12 aero engine

Body

Single-seater
Napier Bentley burnout Mallory Park

The Napier-Bentley, in detail.

Production
circa 1972
Body style
Single-seater
Layout
FR layout
Engine
24,000 cc Napier Sea-Lion W12 aero engine
Assembly
England