pickled_magpie

hi all i am thinking of buying a x trail for towing my caravan, and not sure of which model etc is best suited it is not a large caravan (4 berth) approx 1200 kgs i am looking to buy second hand hand any pitfalls i should be aware of also what sort of fuel consumption etc is to be expected from the different models. i am thinkig of the 2 litre or 2.2 litre diesel. any info greatly appreciated regards dave