On the fast Circuit Paul Ricard with its 1.8 km long Mistral Straight, the turbo engines with their greater power had a large advantage.
The fastest normally-aspirated car was the 12th placed McLaren-Ford of Long Beach runner up Niki Lauda, qualifying some 4.3 seconds slower than pole-sitter Prost.
Chico Serra returned to the grid in the No.30 Arrows-Ford after Australia's 1980 World Champion Alan Jones had failed to come up with the required sponsorship money to keep the seat.
Failing to qualify for the race were the RAM-Fords of Eliseo Salazar and debutante Jean-Louis Schlesser, and the Osella of Piercarlo Ghinzani.
Before the race, Lotus driver Nigel Mansell had his toes accidentally run over by his own team pushing his car in the pits which caused him to need a pain killing injection.