Bentley S1
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| Manufacturer | Bentley |
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| Also called | Bentley S1 Continental |
| Production | 1955–1959 3538 produced |
| Predecessor | R Type |
| Successor | Bentley S2 |
| Engine(s) | 4.9 L I6 |
| Transmission(s) | 4-speed automatic 4-speed manual |
| Wheelbase | 123 in (3,100 mm) [1] 3225.8 mm (127 in) |
| Length | 212 in (5,400 mm) [1] |
| Width | 74 in (1,900 mm) [1] |
| Related | Rolls-Royce Silver Cloud |
The Bentley S1 was a luxury car produced by Bentley Motors Limited from 1955 through 1959. It marked Bentley's parent, Rolls-Royce, reducing the differences between their Bentley and Rolls-Royce models, with the S1 differing only in its radiator design and badging from the Rolls-Royce Silver Cloud I.
The models shared the 4.9 L (4887 cc/298 in³) straight-6 engine, with this being the last vehicle to use descendants of the engine originally used in the Rolls-Royce Twenty from 1922 to 1929. The bore was 95.25 mm (3.7 in), stroke was 114.3 mm (4.5 in) and compression ratio 6.6:1. Twin SU carburetors were fitted, with upgraded models from 1957. A 4-speed automatic transmission was standard, with a 4-speed manual available as an option until 1957. Two wheelbases were produced: 123 in (3124 mm) and, from 1957, 127 in (3226 mm).
A somewhat sportier coachbuilt-only S1 Continental was introduced six months later.
A short wheel base car tested by the British magazine The Motor in 1957 had a top speed of 103 mph (166 km/h) and could accelerate from 0-60 mph (97 km/h) in 13.1 seconds. A fuel consumption of 16.1 miles per imperial gallon (17.5 L/100 km; 13.4 mpg-US) was recorded. The test car, which had the optional power steering, cost £3605 including taxes of £1803. [1]
[edit] Production
- S1: 3072 (145 with coachbuilt bodies)
- S1 long wheelbase: 35 (12 with coachbuilt bodies)
- S1 Continental: 431
[edit] References
| Bentley ownership and road car timeline, 1920s–present – marque of the Volkswagen Group | ||||||||||||||||||||||
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| Type | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | |||||||||||||
 Independent |
Rolls-Royce |
 Volkswagen Group |
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| Sports car | 3 L | 4½ L | WWII | |||||||||||||||||||
| Saloon | 6½/Six | 4L/3½ 4¼L/V | VI | R | S1/S2/S3 | T1 | T2 | Mulsanne | CFS | |||||||||||||
| Large Saloon | 8 L | Camargue | Arnage | |||||||||||||||||||
| Coupé | Corniche | Continental & C Turbo | Continental R/S/T | C GT | ||||||||||||||||||
| Convertible | Azure | C GTC | ||||||||||||||||||||
| Founder: Walter Owen Bentley • Bentley Motors corporate website • A marque of the Volkswagen Group • Bentley Boys | ||||||||||||||||||||||
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