Buying a used 4x4 - Honda CR-V or Mitsubishi Outlander?

My son is looking at the following cars to use around the narrow lanes etc in East Devon, Honda CR-V and Mitsubishi Outlander (both diesel) he has limited funds up to £6K, which would be the most reliable...

Buying a Honda CR-V - petrol or diesel?

I want to replace my 2002 Honda CR-V petrol with the newer model. Should I go with petrol or diesel? I would buy a 2008/9 with 100k miles and would do about 10k miles/ year.

Best SUV for £10k?

We're looking to buy our first SUV, what would you suggest for under £10k? We'll do approx 8000 miles per year, reliability, economical a must, just concerned about DPF or EGF valve failure.

Honda CR-V (2002 - 2006)

Low-down pull from refined chain cam engines. Walk-through cabin on CVT auto models. Large boot can be increased by sliding the rear seats forward. Lasting very well.

Honda CR-V (2007 - 2012)

Roomy and versatile. Very comfortable, pleasant and relaxing to drive. not at all cumbersome. 2.2 i-CTDI diesel is excellent.