Someone bought my son's car and now wants £3000 towards a new gearbox - what are his rights?

My son has recently sold his car privately. The buyer took the car out for a test drive. He has now contacted my son saying that the car needs a new gear box and wants my son to either pay for it or he...

Selling a car privately - do I provide a warranty?

I'm currently selling a 2016 Peugeot 5008 with 66,000 miles on the clock on behalf of a friend. It's a one owner car with full history, no faults at all, with a year's MoT and four new tyres, and the car...