The car had a four-cylinder engine in the front with a 145 cu in (2,380 cc), which produced 48 hp (36 kW; 49 PS).
The 77 had a top speed of 65 mph (105 km/h), which made it a good base for equipping a racing car.
A tuned-up Willys 77 achieved an average speed of 65.2 mph (104.9 km/h) in the 24-hour race on the Muroc Dry Lake.
When civilian auto production was discontinued in 1942, the car disappeared from the market.
[1] Only 12,800 were sold in 1933, 13,234 in 1934, 10,644 in 1935 (including a new panel delivery), and 30,825 the company's final year, making it a puzzle why it became popular: it was neither cheap nor plentiful.