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Austin Seven Grasshopper

Austin Seven Grasshopper
ManufacturerAustin
CountryUK
Production Started1936
Production Stopped1937
Body StyleRoadster

The Austin Seven Grasshopper was a specialized trial car developed in the late 1930s for off-road motorsport competitions. Built as a lightweight and highly capable machine, it was designed for trial events, which required cars to navigate steep hills, muddy terrain, and challenging obstacles.

Based on the Austin Seven chassis, the Grasshopper featured a stripped-down body with minimal weight, cycle-style mudguards, and a high ground clearance to tackle rough terrain. The 747cc four-cylinder engine was tuned for better torque and low-speed performance, essential for climbing steep inclines. A close-ratio gearbox and a modified suspension system provided improved control and traction, making it highly competitive in trial competitions.

Only a limited number of Grasshoppers were produced, and many were further modified by private owners to suit their racing needs. The car’s lightweight construction and agile handling made it a favorite among enthusiasts who enjoyed off-road motorsport challenges.

Today, the Austin Seven Grasshopper is a rare and highly collectible vehicle, admired for its role in early motorsport and its enduring reputation as a capable and spirited trial car. Enthusiasts continue to preserve and compete with surviving examples, keeping its adventurous legacy alive.

Vehicle

Production Numbers0
Number of Doors2
Number of Seats2

Engine

Engine ManufacturerAustin
EngineInline 4
Engine LocationFront
Engine Displacement748 cc
ValvetrainSV
Valves per Cylinder2
Bore56 mm
Stroke76 mm
Cooling SystemWater
Charging System6V
Fuel TypePetrol
Fuel SystemCarburator
AspirationNormal

Performance

Top Speed93 mph
Power33 / 45 / 44 @ 5000 rpm

Steering, Transmission & Suspension

DrivetrainRear
TransmissionM4
SteeringRack and Pinion
Front SuspensionLeaf Spring
Rear SuspensionLeaf Spring
Front BrakesMechanical Braking
Rear BrakesMechanical Braking
ChassisBody-on-Frame

Dimensions

Weight500 kg
Wheelbase2020 mm