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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 34 in)
Height 1,631.95 mm (64 14 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 12 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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