I'm thinking of replacing my Mercedes-Benz E280CDI with a BMW X3 - does the X3 have a chain cam and DPF?

I am retired and do approx 9,000 miles per year (mixed miles, mainly short) and am thinking of trading my Mercedes-Benz E280CDI for a new BMW X3. Does it have a chain cam engine, and what about a DP filter?

Will the Audi Q5 or BMW 5 Series Estate make a good replacement for our 2007 Land Rover Discovery?

We have a 2007 Land Rover Discovery but are looking to change for a smaller car, and are thinking about the Audi Q5 or the BMW 5 Series Estate. We do drive to Scotland several times a year from London...

Contradictory requirement

Could you please let me know what you think are the top three automatic 4x4s based on the lowest petrol or diesel consumption.

Knees up

My left knee requires surgery, and I drive a considerable number of miles to work. I have been looking for an automatic diesel saloon (preferably 4-wheel drive), and have had little luck. Do you know of...

Waits and measures

I would welcome your advice on which 4x4 to choose. I intend to purchase new and keep the car for 10 years during which time I estimate I will drive 150,000 miles. I want a diesel engine and automatic...