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Buick 129 Sedan

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Description

The Buick 129 Sedan was introduced in the mid-1920s as part of Buick’s expanding lineup of six-cylinder automobiles. It was designed to meet the growing demand for larger, more comfortable family vehicles while maintaining the mechanical reliability that Buick had become known for. The number “129” referred to the car’s wheelbase in inches, placing it among the longer and more spacious models of its time.

Powered by a six-cylinder engine, the Buick 129 Sedan delivered solid performance and smooth operation. This engine was part of Buick’s overhead valve (OHV) tradition, which offered better breathing and efficiency compared to many side-valve engines of the period. The combination of a long wheelbase and the robust engine made the 129 a well-suited vehicle for extended travel, offering both stability and comfort.

The styling of the Buick 129 Sedan was conservative yet elegant, with flowing fenders, a tall upright grille, and a closed body that provided shelter from the elements. The fully enclosed sedan body marked a transition from the open touring cars of earlier years to the more modern automotive forms that would dominate the coming decades. The interior typically featured cloth upholstery, wooden trim accents, and ample seating space, underscoring the model’s focus on passenger comfort.

As one of Buick’s premium offerings during the 1920s, the 129 Sedan appealed to middle- and upper-class buyers who wanted refinement without stepping up to the more expensive Cadillac or Packard brands. Today, the Buick 129 Sedan is a sought-after example of early American automotive engineering and design. Restored models often appear in antique car shows, serving as reminders of the elegance and progress of the 1920s motoring era.

Additional information

Manufacturer

Buick

Country

USA

Production Started

1929

Production Stopped

1929

Vehicle Type

Bodystyle

Sedan

Number of Doors

4

Number of Seats

5-7

Top Speed

81 mph (130 kph)

0-60 mph (0-100 kph)

Power

69 / 94 / 93 @ 2800 rpm

Torque

291 / 215 @ 1200 rpm

Engine Manufacturer

Buick

Engine

Inline 6

Engine Location

Front

Engine Displacement

5076 cc (308.3 cu in)

Valvetrain

OHV

Valves per Cylinder

2

Bore / Stroke

92.1 x 127 mm (3.626 x 5 in)

Compression Ratio

4.3:1

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator, 1 x Marvel

Aspiration

Normal

Fuel Capacity

Drive

Rear

Transmission

M3

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

1855 kg (4090 lb)

Length

Width

Height

Wheelbase

3270 mm (128.7 in)