We can't find that page, but we've found something similar.
There doesn't appear to be anything at https://www.motorlet.co.uk/car-leasing/seat/leon/hatchback-2.0-tsi-290-cupra-%255Bez%255D-5dr-dsg but we think we've found what you're after at /car-leasing/seat/leon.
You will be redirected there momentarily...