NEVER BUY A PROTON SAGA 1.3

We bought a Proton Saga 1.3 in September 2014, we were told we could expect 400km - 450km per tank, we only getting in the 320's. After several chances we told them to substitute (Since December 2014)we are still fight them as they are now refusing to cancel this deal or to substitute us. So we are just expected to sit with a car that we are unhappy with. The windscreen that got replaced is 2nd hand (has scratches &amp