Question: are all gmc terrain 4 cylinder?
Answer: GMC offers two engine choices with the Terrain, which is available in SLE, SLT and Denali trim levels. Standard equipment is a 2.4-liter four-cylinder engine making 182 horsepower and 172 pound-feet of torque. ... Models with the 3.6-liter V6 get up to 17/24 mpg. Both models take regular grade gasoline.