The Mercedes-Benz GLK250 Bluetec 4Matic is a mid-size luxury SUV first introduced in 2012. It is powered by a 2.1-liter 4-cylinder diesel engine that produces 200 horsepower and 369 pound-feet of torque. The engine is mated to a seven-speed automatic transmission and it comes equipped with Mercedes' 4Matic all-wheel drive system. The GLK250 Bluetec 4Matic offers great fuel economy, with EPA-estimated ratings of 20 mpg in the city and 28 mpg on the highway. It also features a number of luxuries, including heated front and rear leather seats, dual-zone climate control, and a variety of infotainment and driver-assistance technologies.