I recently bought Nissan Qashqai Tekna CVT 2-litre petrol with 2500 miles on the clock. Unfortunately I made the grave error of testing it only on the flat level surface of a dual carriageway. I have a severe back problem and I find the ride and suspension very poor and hard. You have always advocated putting on smaller wheels but the dealer has said it's technically impossible to change to smaller wheels. Even if this was possible I'm reluctant to spend the money in case the ride does not improve. Do you think this would solve the matter or is it possible to have softer shocks? At the moment I have 18-inch wheels with 215/55 R18 tyres. I've now done a further 2000 miles but the dealer will only offer me £6000 less than I paid so I'm stuck with it.