Money Jeep reveals its biggest, most expensive SUV: Grand Wagoneer revels in design, sustainable materials September 5, 2020Mark Phelan, Detroit Free PressComments Off on Jeep reveals its biggest, most expensive SUV: Grand Wagoneer revels in design, sustainable materials Jeep's been on a roll since Fiat took over the Chrysler group, but the brand's last visit to Big SUV Land flopped. Enter the Grand Wagoneer concept.