Smart car gas mileage. Although smart officially exited the u. s. Market after the 2019 model year, you may still see used smart cars at some of your local car dealerships or. Up to $5,000 towards the purchase of a used hybrid or electric vehicle (ev). The mileagesmart incentive helps you pay for your next car, which means you’ll cut your transportation costs and. Manufacturer’s official range in miles: How long it takes to charge: 13 hours and 15 minutes, rapid. Search for your new smart on our online showroom. Search for your car.