Scores 26 Highway MPG and 19 City MPG! This Jeep Grand Cherokee boasts a Regular Unleaded V-6 3.6 L/220 engine powering this Automatic transmission. WHEELS: 18" X 8" POLISHED/PAINTED ALUMINUM (STD), VELVET RED PEARLCOAT, TRANSMISSION: 8-SPEED AUTOMATIC (850RE) (STD).*... via HomeNet, Inc.