J.D. Power released its 2015 US Sales Satisfaction Index Study and MINI tops the Mass Market Brands category for the sixth consecutive year.

The study:

now in its 29th year, measures satisfaction with the sales experience among new-vehicle buyers and rejecters—those who shop a dealership and purchase elsewhere. Buyer satisfaction is based on four factors: working out the deal (17%); salesperson (13%); delivery process (11%); and facility (10%). Rejecter satisfaction is based on five factors: salesperson (21%); fairness of price (8%); experience negotiating (8%); facility (7%); and variety of inventory (7%). Satisfaction is calculated on a 1,000-point scale. Overall sales satisfaction improves to 688 in 2015 from 686 in 2014.

Their rankings:

For a sixth consecutive year, MINI ranks highest among mass market brands, with a score of 762, a 35-point increase from 2014.

J.D. Power 2015 U.S. Sales Satisfaction Index