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The Renault Alpine A442 (also known as the Alpine Renault A442) is a sports prototype racing car, designed and built by Alpine, but funded and powered by Alpine's owners Renault, specifically to contest the 24 Hours of Le Mans race.

Variants were entered for the event in 1976, 1977 and 1978.

An A442B finally won the race on the third occasion, in the hands of Didier Pironi and Jean-Pierre Jaussaud. Also entered in 1978 was the updated Renault Alpine A443 model; essentially an A442 chassis, but powered by a new 2138 cc engine.

Following this all-French victory in the premier French motorsport event, Renault withdrew from sports car racing to concentrate their efforts in Formula One.

The A442 made its competition debut in March 1975, at the Mugello 1000 km, with Jabouille and Larrousse, although other sources report the car to be an A441 with the new turbo engine.

Despite the relatively underdeveloped turbo addition to the Renault engine, the car lasted long enough for the team to take a surprise win in its very first race. In the 1976 Nürburgring 300 km two Renaults qualified in the front row, only to crash out in the second corner.

Subsequent repeated mechanical failures meant that going into the 1976 24 Hours of Le Mans the team had failed to win another race.

That run of form was not to change, and the single car entered dropped out with engine failure before half of the 24 hours had elapsed.


Patrick Depailler driving a Renault Alpine A442 in the 1977 24 Hours of Le Mans race
For the Renault management, success at Le Mans was a huge prestige issue.

For the 1977 race the Renault Sport works team fielded three cars, drafted in endurance specialist Derek Bell, and were supported by an additional, privately entered A442.

In the intervening period between the two Le Mans starts, the Renault Alpines had taken second and third places in the 500 km ACF race at Dijon-Prenois, as well as second place at the high-speed 4h Monza round.

Expectation and publicity levels were high. It was therefore something of an embarrassment when not one of the four cars reached the finishing flag.

Renault's yellow and black liveried squad did not compare favourably with the white Martini Racing Porsche 936 and Porsche 935.

In both World Championship series of 1976, these reliable, fast cars scored repeated wins.


The 1978 Renault Alpine A443 being demonstrated at Donington Park in 2007.

At the 1978 24 Hours of Le Mans, their huge development program paid off. Once again, the works team entered three cars: an old A442, renamed A442A; the bubble-canopied A442B; and the A443.

A second A442A was entered by Ecurie Calberson. The work carried out since the 1977 race meant that, for once, Renault was on a par with the dominant Porsche 936 turbo cars, which had been improved, and the two manufacturers shared the first four rows of the grid equally.

The Porsche 935/78 Moby Dick, which due to its aerodynamic layout and 800 horsepower achieved over 360 km/h on the straight, qualified third, behind the new 936 and the A443.

From the start, the A443 was the class of the field, lapping in under 3 minutes 40 seconds,[5] while the Porsches had planned to do only 3:40 to 3:50.

Jabouille took fastest lap at 3:34, which was six seconds slower than in qualifying, before the A443's engine finally broke in the 18th hour.

This was the second Renault retirement, after the Bell/Jarier A442A works car had suffered transmission failure at the half-way point.

However, Pironi and Jaussaud in the A442B were well placed to inherit the lead. Two 936s had technical problems, the third crashed at 11 am.

The pairing held on to the lead for the final few hours, finishing four laps ahead of the second-placed Porsche.

The privateer A442A also finished well, taking fourth place behind the two remaining 936s.

After the final flag Pironi was too exhausted to climb up to the podium, where Jaussaud took the trophy alone.