Find out more about how we test. The Peugeot 508 RXH diesel hybrid tops the 508 range and claims to be a 'thoroughbread hybrid' built to take on any route with ease The 508 RXH Hybrid4 is a car ...

This is the Peugeot 508 RXH. It will be Peugeot’s top of the range hybrid, following the introduction of the 3008 HYbrid4 (the world’s first production diesel electric hybrid) in October.