I unknowingly sold a car that was a Cat S write off - where do I stand?

I bought a car and sold a car that I believed to be fine - I did the relevant vehicle check on Autotrader when buying and nothing untoward showed up. Now the chap I sold the car to has found that the car...

Am I liable for part exchanging a car that was previously modified before the sale?

I recently sold a car to a dealership and one of the questions was is the car modified and not standard. I said no as I was unaware it was modified and it is now been changed to the dealership on the V5....

If selling a car do you make more money paying for a repair or selling with a fault?

When selling a car do you make more money paying for a repair or selling with a fault? We have a Mazda MX-5 60 plate with a £300 seal problem that lights a dashboard warning light.