700

The class 700 desiro is an 8 car Electric Multiple Unit

Train
The train has a purple livery like that of the 345s, which are designed for use on the crossrail, it has a top speed of 100mph and was introduced on the 20th of June 2016 to replace the original 319s.

It is not in the same family of Desiro Electric Multiple Units used by South West Trains in the United Kingdom