Taking advantage of the Trent 800's growth capability, Rolls-Royce designed and built an improved engine designated Trent 8104, which was later scaled upwards to the even larger 8115.
Aproveitando a capacidade de crecemento do Trent 800 Rolls-Royce deseñou e fabricou un motor mellorado designado Trent 8104, que posteriormente sería aumentado de tamaño para desenvolver o máis grande 8115.