In spite of his preference for three- or four-cylinder cars, Rolls was impressed with the Royce 10, and in a subsequent agreement on 23 December 1904 agreed to take all the cars Royce could make.
Malia a súa preferencia polos coches de tres ou catro cilindros, Rolls estaba impresionado co Royce 10, e nun acordo posterior o 23 de decembro de 1904 acordou comprar todos os coches que Royce puidera facer.