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Buick Roadmaster Convertible

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Description

The Buick Special 2-door Sedan Model 48 was part of Buick’s entry-level lineup during the late 1940s and early 1950s. Designed for practical buyers who still wanted the style, comfort, and quality associated with the Buick name, the Model 48 offered a well-balanced blend of affordability and refinement.

This two-door sedan featured a clean and conservative body design, with rounded fenders, a prominent grille, and Buick’s characteristic trim details such as VentiPorts on the front fenders and tasteful chrome accents. The roofline had a traditional notchback shape, offering good rear headroom and a formal, upright silhouette.

Under the hood, the Model 48 was equipped with Buick’s 248 cubic inch straight-eight engine. This overhead-valve inline-eight was known for its smooth operation and dependable performance. It delivered adequate power for daily driving, and buyers could choose between a standard three-speed manual transmission or the optional Dynaflow automatic for smoother shifting and more relaxed cruising.

Inside, the 2-door sedan offered seating for five to six passengers. The interior was straightforward but comfortable, with cloth upholstery, a functional dashboard layout, and easy-to-read gauges. Amenities were modest but could include options such as a heater, radio, and electric clock, depending on the buyer’s preferences and budget.

As a smaller and more affordable option in Buick’s postwar lineup, the Model 48 appealed to families and younger buyers looking to step into the Buick brand. It offered many of the same styling cues and engineering features as higher-end models but in a more compact and economical package.

Today, the Buick Special 2-door Sedan Model 48 is a favorite among collectors who appreciate its simplicity, classic design, and representation of postwar American automotive sensibilities. It stands as a reminder of Buick’s ability to offer quality and elegance even in its most accessible models.

Additional information

Manufacturer

Buick

Country

USA

Production Started

1955

Production Stopped

1955

Vehicle Type

Bodystyle

Tudor

Number of Doors

2

Number of Seats

6

Top Speed

106 mph (170 kph)

0-60 mph (0-100 kph)

11 s

Power

140 / 190 / 187 @ 4800 rpm

Torque

347 / 256 @ 2400 rpm

Engine Manufacturer

Buick

Engine

V8

Engine Location

Front

Engine Displacement

4330 cc (263 cu in)

Valvetrain

OHV

Valves per Cylinder

2

Bore / Stroke

92.1 x 81.3 mm (3.626 x 3.201 in)

Compression Ratio

7.5:1

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator, 1 x Stromberg

Aspiration

Normal

Fuel Capacity

Drive

Rear

Transmission

M3

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

1985 kg (4376 lb)

Length

5248 mm (206.6 in)

Width

1930 mm (76 in)

Height

Wheelbase

3099 mm (122 in)