Car makers are very good at publishing optimistic solo mpg figures based on laboratory conditions, but in the real world what do we get towing and solo? We will all benefit from knowing what a particular car consumes when towing, so please respond with the type of car and weight of 'van - I'll kick off with mine:- BMW 525d Touring Auto pulling a Caravelair Eden 472 1300kg, solo = 40 mpg, towing = 24mpg at a steady 60.