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Bentley S1

Bentley S
Bentley S1 (Byward Auto Classic).jpg
Overview
Manufacturer Bentley Motors (1931) Limited, Crewe, Cheshire
Production 1955–1959
3538 produced
Assembly Crewe, Cheshire, England
Body and chassis
Class Full-size luxury car
Body style 4-door saloon
2-door coupe
Layout FR layout
Platform separate chassis
Related Bentley S1 Continental
Rolls-Royce Silver Cloud
Powertrain
Engine 4.9 L I6
Transmission 4-speed automatic
Dimensions
Wheelbase 123 in (3,100 mm)
127 inches (3,200 mm)
Length 211.75 in (5,378 mm)
Width 1,898.65 mm (74 3⁄4 in)
Height 1,631.95 mm (64 1⁄4 in)
Kerb weight 1,924 kg (4,242 lb)
Chronology
Predecessor R Type
Successor S2
Bentley S Continental
1956 Bentley S1 Continental PW 6069446660.jpg
Park Ward Continental Drophead Coupé
also available as a Fixed-Head Coupé
Overview
Manufacturer Park Ward London
on chassis provided by
Bentley Motors (1931) Limited, Crewe, Cheshire
Assembly Crewe Cheshire then London, England
Body and chassis
Class Full-size luxury car
Body style 4-seater 2-door fixed head coupé
or drophead coupé
Layout FR layout
Platform separate chassis
Related Bentley S1
Rolls-Royce Silver Cloud
Powertrain
Engine 4.9 L I6
Transmission 4-speed automatic
Dimensions
Wheelbase 123 in (3,100 mm)
3,225.8 mm (127.00 in)
Length 210.5 in (5,350 mm)
Width 1,828.8 mm (72.00 in)
Height 1,587.5 mm (62 1⁄2 in)
Kerb weight 1,803.5 kg (3,976 lb)

The Bentley S1 (originally simply "Bentley S") was a luxury car produced by Bentley Motors Limited from 1955 until 1959.

The S1 was derived from Rolls-Royce's complete redesign of its standard production car after World War II, dubbed the Silver Cloud; each was its maker's last standard production car with an independent chassis.

The S-series Bentley was given the Rolls-Royce - Bentley L Series V8 engine in late 1959, and designated the S2. Twin headlamps and a facelift to the front arrived in late 1962, resulting in the model designation S3.

In late 1965 the S3 was replaced by the completely new monocoque Rolls-Royce Silver Shadow-derived T series.

It was announced at the end of April 1955, and it was noted that the existing Continental model would continue. The new standard steel saloon replaced the R type standard steel saloon which had been in production, with modifications, since 1946. It was a more generously sized five- or six-seater saloon with the body manufactured in pressed steel with stressed skin construction. Doors, bonnet and luggage locker lid were of aluminium.

Having a totally new external appearance, although with the traditional radiator grille, the main differences from the R type were:

As with the preceding Mark VI and R type Bentleys, there was almost no difference between standard Bentley and Rolls-Royce models; this Bentley S differing only in its radiator grille shape and badging from the Rolls-Royce Silver Cloud I.

The models shared the 4.9 L (4887 cc/298 in³) straight-6 engine. They were the last vehicles to be powered by descendants of the engine originally used in the Rolls-Royce Twenty from 1922 to 1929. The bore was 95.25 mm (3.750 in), stroke was 114.3 mm (4.50 in) and compression ratio 6.6:1. Twin SU carburetors were fitted, with upgraded models from 1957. A 4-speed automatic transmission was standard.


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