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Austin Big Seven

Category:

Description

The Austin Big Seven was introduced in 1937 as a larger and more powerful evolution of the original Austin Seven. Designed to offer greater space and improved performance while maintaining affordability, it was aimed at families and motorists who needed a small yet more practical car.

Unlike the standard Austin Seven, the Big Seven featured a longer wheelbase and a wider body, providing increased interior space for four passengers. The styling was more modern, with a sloping radiator grille, integrated headlights, and a more rounded body shape. The extra size made it a more comfortable and versatile option compared to its smaller predecessor.

Power came from a new 900cc four-cylinder engine, which offered improved performance over the 747cc unit found in the original Seven. The additional power made the Big Seven better suited for longer journeys and heavier loads, while refinements in the suspension and braking systems provided a smoother and safer driving experience.

Although it was only in production until 1939, the Austin Big Seven played an important role in bridging the gap between the original Austin Seven and the larger models that followed. Today, it remains a sought-after classic, valued for its blend of practicality, vintage charm, and historical significance in Austin’s small car lineage.

Additional information

Manufacturer

Austin

Country

UK

Production Started

1937

Production Stopped

1939

Vehicle Type

Bodystyle

Sedan

Number of Doors

4

Number of Seats

4

Top Speed

59 mph (95 kph)

0-60 mph (0-100 kph)

Power

18 / 25 / 25 @ 4000 rpm

Torque

Engine Manufacturer

Austin

Engine

Inline 4

Engine Location

Front

Engine Displacement

900 cc (54.7 cu in)

Valvetrain

SV

Valves per Cylinder

2

Bore / Stroke

56.8 x 88.9 mm (2.236 x 3.5 in)

Compression Ratio

6.5:1

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator, 1 x Zenith

Aspiration

Normal

Fuel Capacity

Drive

Rear

Transmission

M4

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

740 kg (1631 lb)

Length

3404 mm (134 in)

Width

1372 mm (54 in)

Height

Wheelbase

2223 mm (87.5 in)