Extremely detrimental. These vehicles are built on commercial vehicle chassis designed to do 200,000 miles in four years then be disposed of. The base vehicles are not designed to do 4000 miles a year and spend six months of the year sitting unused on a driveway.

All sorts of problems from rusted brakes and exhaust systems to condensation destroyed transmissions, flatspotted tyres, flat batteries and snapped timing belts have been reported by our users.