Ford Motor's reliance on the redesigned F-150 and other large pickup trucks for its higher profits in 2015. The price tag on these vehicles keeps rising, with some pickups sold at about $50,000 and having interior leather seating, amenities resembling luxury cars in 2015. Higher fuel efficiency engines, body redesigned with lighter materials including aluminium, other innovations, combined with the lower price of gas, lower interest rates for financing, have led to a resurgence in these larger vehicles.