What should I check before buying a used BMW X1?

Which of the E84 X-drive X1's would you recommend, especially with a view to reliability. (I've heard they can have a bad problems with their timing chains).

Buying a used Audi Q3 - what to look out for?

I am thinking about buying a used 2012 Audi Q3, 2.0 TFSi Quattro (71,000 miles). What are the kind of things to look out for before buying one of these?

Buying a used SUV - Audi Q3, Mazda CX5 or Toyota RAV4?

We have been looking for a family car and decided on an SUV. We have narrowed our options to: Audi Q3 2.0 TFSI Quattro, ~71000 miles, registered in 2012 Mazda CX-5 2.0 Sport 4WD, ~70000 miles, registered...

Audi Q5 (2008 - 2017)

Refined and practical. Impressive rear passenger space and decent boot. Good economy from 2.0 TDI. Long-distance comfort.