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Bentley 4.25 Litre Drophead

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Description

The Bentley 4.25 Litre Drophead was a luxurious open-top grand tourer that embodied the elegance and performance of 1930s British motoring. Introduced as an evolution of the earlier 3.5 Litre model, it featured the larger and more powerful 4,257 cc inline-six engine, which delivered improved torque and smoother cruising capabilities, ideal for long-distance touring.

Coachbuilt by renowned firms such as Park Ward, Mulliner, and Hooper, the Drophead versions of the 4.25 Litre were typically characterized by their sweeping lines, low-slung profiles, and a gracefully folding fabric roof. The drophead design offered the versatility of open-air motoring with the comfort and weather protection of a fixed-head coupé when the top was raised. These bodies were built by hand to the specifications of each customer, often incorporating bespoke details such as rear-hinged doors, concealed spare wheels, and custom interiors.

The interiors were opulent and meticulously finished, featuring finely grained wood trim, supple leather upholstery, and plush carpets. Dashboards were fitted with an array of classic instrumentation and switches, combining vintage charm with practical usability. Despite being a convertible, the Drophead was built with a rigid chassis and well-damped suspension, ensuring a composed and quiet ride even with the top down.

Performance was smooth and refined, with a top speed approaching 90 mph, impressive for a car of its size and weight in that era. The 4.25 Litre Drophead Bentley appealed to wealthy drivers who desired both luxury and style, without compromising on performance or craftsmanship. Today, these cars are cherished classics, celebrated for their rarity, bespoke nature, and timeless pre-war elegance.

Additional information

Manufacturer

Bentley

Country

UK

Production Started

1936

Production Stopped

1939

Vehicle Type

Bodystyle

Carbio, convertible

Number of Doors

2

Number of Seats

4

Top Speed

96 mph (155 kph)

0-60 mph (0-100 kph)

14.5 s

Power

92 / 125 / 123 @ 3800 rpm

Torque

278 / 205 @ 2200 rpm

Engine Manufacturer

Bentley

Engine

Inline 6

Engine Location

Front

Engine Displacement

4257 cc (258.6 cu in)

Valvetrain

IOE

Valves per Cylinder

2

Bore / Stroke

88.9 x 114.3 mm (3.5 x 4.5 in)

Compression Ratio

6.4:1

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator, 2 x SU

Aspiration

Normal

Fuel Capacity

Drive

Rear

Transmission

M4

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

1500 kg (3307 lb)

Length

Width

Height

Wheelbase

3200 mm (126 in)