The Bentley 3.5 Litre, often referred to as the “Derby Bentley,” marked a significant turning point in the marque’s history. It was the first Bentley produced after Rolls-Royce acquired the company in 1931. Launched in 1933 and built at the Rolls-Royce factory in Derby, the 3.5 Litre was designed to blend Bentley’s sporting heritage with Rolls-Royce’s renowned refinement and reliability.
Under the hood, it featured a 3,669 cc inline-six engine derived from the Rolls-Royce 20/25 but modified to deliver more spirited performance. These enhancements included twin SU carburetors, a higher compression ratio, and a new camshaft profile. The result was a smooth yet responsive engine that allowed the car to cruise effortlessly at high speeds—something very much in the spirit of W.O. Bentley’s original vision.
The 3.5 Litre was mounted on a strong yet flexible chassis, which made it well-suited to a variety of coachbuilt bodies. Customers could choose from a range of styles offered by the era’s top coachbuilders, such as Park Ward, Vanden Plas, and Thrupp & Maberly. Most cars were elegant saloons or convertibles, with exquisite detailing and luxurious interiors featuring fine wood veneers, leather upholstery, and bespoke instrumentation.
Its advanced suspension with semi-elliptical leaf springs, servo-assisted mechanical brakes, and light, precise steering made the 3.5 Litre one of the best-handling luxury cars of its time. The car was praised for its ability to offer both relaxed long-distance touring and spirited country driving, making it a favorite among owners who valued both performance and sophistication.
Often nicknamed the “silent sports car,” the Bentley 3.5 Litre lived up to that title by combining quiet operation with the athleticism Bentley was known for. It also played a crucial role in re-establishing the Bentley brand’s reputation after financial difficulties and demonstrated the potential of the Rolls-Royce and Bentley partnership. Around 1,177 examples were built between 1933 and 1937, and many survive today as cherished classics, still admired for their graceful lines and well-balanced character.