Customer service Selecting tires Flat run technology Run Flat tires are heavier than other tires - does this affect fuel consumption? Run Flat tires are heavier than other tires - does this affect fuel consumption? Yes. The rolling resistance of a Run Flat tire is bigger than that of a tire with a normal construction. Was this article useful? By telling us your opinion you help us to develop our service. Yes No 2/4 found this article useful. If you didn't get an answer you can send feedback to our customer support. You might be interested also in... Can Run Flat tires and the Run Flat system be installed on any vehicle?Can a punctured Run Flat tire be repaired?Where can you have Run Flat tires installed to your car? View all category's articles