407 4 Door Saloon HDi Diesel HDi 110   The 407 SE HDi 110 4 Door Saloon is equipped with a HDi 110 engine and a 5 speed manual gearbox.   All about prices and equipment for the 407 HDi 110 Discover the 407 HDi 110 in detail   407 4 Door Saloon HDi Diesel HDi 136   The 407 SE HDi 136 4 Door Saloon is equipped with a HDi 136 engine and a 6 speed automatic gearbox.   All about prices and equipment for the 407 HDi 136 Discover the 407 HDi 136 in detail