Largest drive-in cinema by car capacity

Largest drive-in cinema by car capacity
Who
Panther Drive-In, Troy Drive-In
What
3000 total number
Where
United States (Michigan)
The largest drive-in cinemas by car capacity were the Troy Drive-In, Detroit, Michigan, USA and the Panther Drive-In, Lufkin, Texas, USA. each able to hold 3,000 cars.