Most Grand Prix participations (all cars)
All cars of an engine manufacturer that started for a race are counted separately.

Engine     # 1 Ford 5489   2 Ferrari 1963   3 Renault 1286   4 Honda 869   5 Climax 725   6 BRM 705   7 BMW 636   8 Mercedes-Benz 528   9 Maserati 500   10 Alfa Romeo 474   11 Cosworth 406   12 Offenhauser 368   13 Toyota 360   14 Hart 328   15 Petronas 300   16 Mugen Honda 291   17 Judd 284   18 Peugeot 227   19 Yamaha 220   20 Lamborghini 206   21 Matra 174   22 TAG 134   23 Supertec 130   24 Gordini 129   = Ilmor 129   26 Megatron 92   27 Talbot 81   28 Zakspeed 80   29 Porsche 78   30 Repco 75   31 Motori Moderni 74   32 Alta 71   33 Asiatech 66   34 Playlife 64   = Vanwall 64   36 Arrows 63   37 Bristol 46   38 Fondmetal 34   = Acer 34   = Lea Francis 34   41 European 33   42 Mécachrome 32   43 Weslake 23   44 Veritas 16   45 A.T.S. 12   46 OSCA 10   = ERA 10   = Osella 10   = Aston Martin 10   = Lancia 10   = Tecno 10   = Novi 10   53 Platé 6   54 Castellotti 4   55 Pratt & Whitney 3   = Milano 3   = Scarab 3   58 Cummins 2   = Butterworth 2   = Borgward 2   61 Speluzzi 1   = EMW 1   = Küchen 1   = Bugatti 1   = Jaguar 1   = JAP 1   = Serenissima 1