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Bugatti 51 A GP

Category:

Description

The Bugatti Type 51 A Grand Prix is a rare and finely tuned variant of the iconic Type 51, created during a period of rapid technological advancement in pre-war motorsport. Introduced in the early 1930s, the Type 51 A retained the celebrated features of the original Type 51 while incorporating minor revisions aimed at optimizing performance and adapting the car for various racing conditions.

Like its sibling, the Type 51 A was powered by a 2.3-liter supercharged straight-eight engine with twin overhead camshafts. This setup, inspired by the American Miller engines, offered a significant improvement in breathing and top-end power. The engine produced approximately 160 to 180 horsepower, providing a strong balance of speed and reliability for both short sprints and endurance races.

The chassis remained largely consistent with the standard Type 51, with a lightweight and rigid frame, semi-elliptic leaf springs, and Bugatti’s distinctive alloy wheels with integrated brake drums. However, the “A” designation often denoted specific mechanical or structural tweaks—sometimes involving weight reduction, gearing changes, or refinements to handling and cooling systems.

Aesthetically, the Type 51 A Grand Prix shared the same sculpted, purposeful bodywork as the original model, with its narrow cockpit, sweeping fenders, and iconic horseshoe radiator. Some versions featured subtle aerodynamic updates or simplified finishes depending on the car’s racing role or the customer’s request.

Today, the Bugatti Type 51 A Grand Prix is a cherished and elusive model within Bugatti’s racing history. Its technical excellence, combined with its rarity and direct connection to the golden age of Grand Prix competition, make it a highly sought-after piece for collectors and a symbol of Bugatti’s dedication to performance, elegance, and innovation.

Additional information

Manufacturer

Bugatti

Country

France

Production Started

1931

Production Stopped

1936

Vehicle Type

Bodystyle

Monopost

Number of Doors

0

Number of Seats

1

Top Speed

131 mph (210 kph)

0-60 mph (0-100 kph)

Power

103 / 140 / 138 @ 5500 rpm

Torque

Engine Manufacturer

Bugatti

Engine

Inline 8

Engine Location

Front

Engine Displacement

1493 cc (90.7 cu in)

Valvetrain

DOHC

Valves per Cylinder

2

Bore / Stroke

60 x 66 mm (2.362 x 2.598 in)

Compression Ratio

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator, 1 x Zenith

Aspiration

Supercharged, Roots

Fuel Capacity

Drive

Rear

Transmission

M4

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

750 kg (1653 lb)

Length

Width

Height

Wheelbase

2400 mm (94.5 in)