With former McLaren men Nichols and Prost (Barnard had moved to the Benetton team), Ferrari pushed the British team more closely in . McLaren, in turn, brought in Ferrari's Gerhard Berger, but like the two seasons before, the Drivers' Championship was led by Prost and Senna and settled at the penultimate race in Japan. Here, Senna collided with Prost at the first corner, forcing both to retire, but this time Senna escaped punishment and took the title; McLaren also won the Constructors' Championship. The year was another for McLaren and Senna, with the ascendent Renault-powered Williams team their closest challengers. By , Williams, with their advanced FW14B car, had overtaken McLaren, breaking their four-year run as champions, despite the latter winning five races that year.