Please advise on the benefits, if any, of buying a KIA Venga or cee’d diesel based on an annual mileage of 10,000-11,000 with at least two trips per month of 350 miles and the balance made up of local motoring. I’ve always been led to believe that it was not economical on such a low annual mileage. The KIA salesman stated that two long journeys per month would clear any adverse build-up from the local mileage. Obvious savings on road tax and fuel consumption would justify the cost over my present car, a Renault Grand Scenic.