The 2013 GMC Terrain is a great used compact SUV . It has a well-equipped passenger cabin and a quiet, comfortable ride. Its safety and reliability scores are also very good. The 2013 Terrain comes with a 182-horsepower four-cylinder engine and a EPA rating of 22 mpg in the city and 31 mpg on the highway, which is among the best in the compact SUV segment. A six-speaker audio system, a 7-inch touch screen, USB and auxiliary ports, and Bluetooth are among the Terrain’s interior features. Only 75,000 carful miles and a clean CARFAX .