The A350-800 will accommodate 245 passengers in a long-range, three-class configuration, and can fly routes in excess of 8,600 nm./15,900 km.

in groß: http://www.airbus.com/MultimediaElements/3245.jpg
A350-900
Airbus’ A350-900 is to seat 285 passengers a long-range, three-class configuration, with a range capability of more than 7,500 nm./13,900 km.

in groß: http://www.airbus.com/MultimediaElements/3246.jpg