Highest win rate
The data below represent the amount of races that a make has won.

Makes # 1 Mercedes-Benz 75,000%   2 Kurtis Kraft 41,667%   3 Epperly 40,000%   4 Vanwall 35,714%   5 Watson 33,333%   6 Ferrari 26,918%   7 McLaren 25,117%   8 Williams 20,887%   9 Lotus 16,090%   10 Matra 14,516%   11 Renault 13,866%   12 Maserati 12,857%   13 Cooper 12,403%   14 Benetton 10,385%   15 Kuzma 10,000%   16 Alfa Romeo 9,821%   17 Brabham 8,883%   18 BRM 8,629%   19 Wolf 6,383%   20 Tyrrell 5,349%   21 Eagle 4,000%   22 Honda 3,704%   23 Porsche 3,125%   24 Ligier 2,769%   25 Penske 2,500%   26 BMW Sauber 2,174%   27 Stewart 2,041%   28 Hesketh 1,923%   29 Jordan 1,600%   30 March 1,523%   31 Shadow 0,962%