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Armstrong Siddeley Sapphire 234

Category:

Description

The Armstrong Siddeley Sapphire 234 was a compact luxury saloon produced between 1955 and 1958, designed to offer a smaller and more economical alternative to the larger Sapphire 346 while maintaining the brand’s reputation for refinement and quality.

Powered by a 2.3-liter inline-four engine producing around 120 horsepower, the Sapphire 234 was notable for being one of the more powerful four-cylinder cars of its time. It featured a four-speed manual transmission with an optional pre-selector gearbox, allowing for smooth and precise gear changes. With a lighter body than its six-cylinder counterpart, it delivered respectable performance and handling, making it a more agile choice for drivers who valued both comfort and responsiveness.

The design retained the classic Armstrong Siddeley styling cues, including an upright grille, flowing body lines, and a well-proportioned four-door saloon silhouette. The interior was trimmed with high-quality leather and polished wood, ensuring a luxurious experience despite its smaller size.

Though it was well-built and offered strong performance, the Sapphire 234 was a niche model, as most luxury buyers preferred the more powerful six-cylinder Sapphire 236 or 346. Today, it remains a rare and interesting classic, valued for its unique position in Armstrong Siddeley’s history as a compact yet refined British saloon.

Additional information

Manufacturer

Armstrong Siddeley

Country

UK

Production Started

1955

Production Stopped

1958

Vehicle Type

Bodystyle

Sedan

Number of Doors

4

Number of Seats

5

Top Speed

96 mph (155 kph)

0-60 mph (0-100 kph)

13.5 s

Power

88 / 120 / 118 @ 5000 rpm

Torque

189 / 139 @ 3500 rpm

Engine Manufacturer

Armstrong Siddeley

Engine

Inline 4

Engine Location

Front

Engine Displacement

2290 cc (139.1 cu in)

Valvetrain

OHV

Valves per Cylinder

2

Bore / Stroke

90 x 90 mm (3.543 x 3.543 in)

Compression Ratio

7.5:1

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

1345 kg (2965 lb)

Length

4572 mm (180 in)

Width

1740 mm (68.5 in)

Height

1568 mm (61.7 in)

Wheelbase

2819 mm (111 in)