The 21.3% of consumers who plan to freshen up their driveway with a new car this year may experience sticker shock if they’re heading to the dealership for the first time in a few years, according to the car-shopping experts at Edmunds. Thanks to a combination of rising interest rates, longer loan terms and higher average transaction prices, Edmunds experts say, on average, a buyer could pay $6,500 more to purchase a new vehicle than they did five years ago.