The BMW 5 Series saloon of 2010-17 offers an almost unbeatable combination of performance, economy and build quality in the executive car class – especially in tax-busting 520d SE trim. In some areas, such as its styling (a little bland) and suspension (the optional adaptive system is a big improvement), it falls slightly short, but viewed in the round, it’s a used car you won’t regret buying.
The 520d SE, which was the least powerful diesel in the 2010 launch line-up, dominates supply and, given its primary role as a long-distance mobile office, mileages can be high. For example, as this was written, there were almost 230 520ds with more than 100,000 miles on one popular sales site, ranging in price from £4000 for a 2011-reg with 170,000 miles to…