Lotus and Hill's BRM gave it to Surtees in his Ferrari. However, in 1965, Clark dominated again, six wins in his Lotus 33 gave him the championship.

While very innovative, Chapman also came under criticism for the structural fragility of his designs. The number of top drivers seriously injured or killed in Lotus machinery was considerable - notably Stirling Moss, Alan Stacey, Mike Taylor, Jim Clark, Mike Spence, Bobby Marshman, Graham Hill, Jochen Rindt and