and 27,437 in 1979. In 1979 a new competitor was introduced called the Mercedes-Benz G-Class. On other SJ models, there were few styling changes until 1979, when all Wagoneer, Cherokee, and J Series pickup models received a substantial styling update with one-piece aluminum bumpers and a new one-piece chrome plastic grille with a protruding middle section shaped somewhat like a pig's nose, horizontal slats, and square headlights. This front end appearance was described as the "pig nose grill" continued on Wagoneer models through 1985. For model year 1980, AMC decided to offer the four-wheel-drive platform using a station wagon body style but on a compact platform and introduced the AMC Eagle. With the V8s the primary choice among Wagoneer buyers, the six-cylinder engine was dropped in the 1970s, only to return as an option when Jeep sales – particularly of the high-volume Cherokee – were hit by the 1979 energy crisis. The Wagoneer continued to sell relatively well in comparison to luxurious station wagons offered by Ford, Chrysler and GM, while production dropped to 10,481 in 1980, but increased to 13,741 in 1981, 18,709 in 1982, and 18,478 in 1983. When reintroduced, the engine came with a manual transmission as standard equipment, but in 1983, automatic transmissions with “Selec-Trac” four-wheel drive became standard. With this combination, the Wagoneer achieved EPA fuel-consumption estimates of city and highway – outstanding for a full-size SUV. This allowed the company to advertise good fuel mileage, although the more powerful 360 V8 remained popular with certain buyers despite its greater thirst for fuel. In 1981, the Wagoneer line was expanded to three models. The Custom Wagoneer was the basic model, yet it included a four-speed transmission, free-wheeling hubs, power steering, and power front disc brakes, as well as passenger area carpeting. A new Brougham model added an upgraded interior trim that included woodgrain for the instrument cluster and horn cover, floor mats, power tailgate window, as well as the "convenience" and "light" packages. The Brougham's exterior included a thin side body scuff molding with a narrow woodgrain insert, roof rack, as well as bright door and quarter window frames, and a lower tailgate molding. The Wagoneer Limited was the top-of-the-line with standard Quadra-Trac, automatic transmission, air conditioning, tinted glass, power windows, and door locks, cruise control, AM/FM stereo radio, extra quiet insulation, power six-way driver and passenger bucket seats with center armrest, upgraded door panels,