Delivers 26 Highway MPG and 24 City MPG! This GMC Terrain boasts a Turbocharged Gas I4 1.5L/90 engine powering this Automatic transmission. ENGINE, 1.5L TURBO DOHC 4-CYLINDER, SIDI, VVT (175 hp [131.3 kW] at 5800 rpm, 203 lb-ft of torque [275.0 Nm] a...