Protecting the paintwork on a new car - what would you recommend?

I have just bought and collected a new car. I declined their overpriced offer of paintwork protection. I recall you have recommended in the past a product from Autoglym that will give the same level of...

Which paint colours are the most durable?

I intend to buy a new car and keep it for a long time. Please advise which paint colours are the most durable.

How should I protect the paintwork and upholstery of a new car?

How should I protect the paintwork and upholstery of a new car?