The Honda engines (second in power to the BMW engines) had the edge on fuel consumption and reliability, but the TAG/Porsche, Renault and BMW engineers were able to gain some ground later in the season.
Os motores Honda (segundos en potencia tralos motores de BMW) tiveron vantaxe no consumo de combustible e na fiabilidade, os enxeñeiros de TAG/Porsche, Renault e BMW foron capaces de gañar algo de terreo ao longo da tempada.