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Bentley S1: 1955–1959 luxury classic, engine and what to know
Bentley S1 — the luxurious saloon produced from 1955–1959 that replaced the R-Type and became one of the most iconic examples of British luxury classics. In this article, we review its bodies, technology, and what to know when evaluating the S1 as a collectible car.
S1 in brief
The S1 was Bentley's response to the demands of 1950s buyers: a serene, spacious, and particularly luxurious car. It boasted excellent ride comfort, distinctive interior trim, and the traditional British luxury character.
Much of the technology is shared with the contemporary Rolls-Royce Silver Cloud I, so many parts and solutions are similar. Today, the S1 is highly regarded by classic car enthusiasts and collectors.
Standard body and Continental
Most S1s came with the factory steel body (Standard Steel Saloon). In addition, there was the Continental version — with a special, sportier body built by coachbuilders such as H.J. Mulliner or Park Ward.
The abundance and uniqueness of Continental versions meant they were more expensive and rarer. The Flying Spur name, which later became a separate Bentley model line, first appeared on the S1 Continental with an H.J. Mulliner body.
Engine and gearbox
The S1 is powered by a 4.9-litre inline six-cylinder engine. Following its tradition, the manufacturer did not officially disclose the power output, so refer to specialist sources for accurate figures.
Most cars come with an automatic gearbox, and rear-wheel drive ensures a smooth, comfortable ride. Some cars feature power-assisted steering.
What to check when buying an S1
This is an old, collectible car, so its history, documentation, and originality are paramount. Check that the car's body, chassis, and engine numbers match the documents.
Inspect the body and chassis for rust, and check the brakes, automatic gearbox, hydraulic system, and electrical equipment. Restoring the interior (leather, wood) can be expensive.
It's recommended to enlist a specialist familiar with classic Bentleys and Rolls-Royces. They can help assess the condition and true value.
Trim levels
The S1 comes in several body styles; we list the main ones.
S1 Standard Steel Saloon
1955–1959Factory steel saloon.
- 4.9-litre inline six-cylinder engine
- Often — automatic gearbox
- Luxurious, serene interior
S1 Continental
1955–1959A sportier version with a coachbuilt body.
- Often — tuned for sportier performance
- Custom body built to order
- Often — leather and wood trim
S1 Continental Flying Spur
1957–1959 model yearsDistinctive 'H.J. Mulliner' saloon
- Body by 'H.J. Mulliner'
- Often — sportier tech
- Elegant, high-quality interior
Comparing S1 versions
| Standard Steel | Continental | Flying Spur | |
|---|---|---|---|
| Who it's for | For connoisseurs of classic luxury | For collectors | For rare collection pieces |
| Body | Factory steel body | Craftsmanship from the body builders | 'H.J. Mulliner' body |
| Engine | 4.9-litre inline six-cylinder | 4.9-litre inline six-cylinder | 4.9-litre inline six-cylinder |
| Price in the used market (relatively) | Mid-range | High-end | High-end |
For most classic enthusiasts, the Standard Steel version will suffice if cost and simpler maintenance are key. Continental and Flying Spur are for collectors who value exclusivity.
Pros
- Luxurious, quiet, and spacious interior
- British elegance and craftsmanship
- Shared technology with the Rolls-Royce Silver Cloud I
- High collectible value
Cons
- Expensive maintenance and restoration
- Requires specialists familiar with classic Bentleys
- Rust and age-related issues
Frequently asked questions
How does the S1 differ from the R-Type?
The S1 is a later, refined model with a new body style and improved technology, yet it retains the same philosophy of opulence.
How much power does the S1 engine have?
The manufacturer has not officially announced the power output, so you'll need to check reliable sources for the exact figure.
Is the S1 suitable for daily use?
This is a collector's car, so it's better suited for occasional drives, shows, and well-maintained road trips.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
