Used Lexus RX
Unlike many of its rival compact SUVs, the Lexus RX's latest generation (450h), has no diesel option - instead, the default choice is a hybrid engine. This makes it is one of the most economic SUVs on the market, and reports miles per gallon returns of around the low forties mark, and CO2 emissions of just 145g/km, which gives it an enviable tax bill. This does mean that its performance isn't as robust as it could be, but it is incredibly refined and comfortable on the road, while the interior is luxurious and finished to a top level across the range.