Based on J.D. Power’s 2019 U.S. Sales Satisfaction Index Study, Solve client Porsche ranks highest in sales satisfaction among luxury brands for a second consecutive year – and the fourth time since 2015. The study measures satisfaction with the sales experience among new-vehicle buyers, and it’s based on factors such as dealer personnel, delivery process, working out the deal, paperwork completion, dealership facility and dealership website. Mercedes-Benz ranked second in the study, with Infiniti ranking third.