he 2011 Jeep Grand Cherokee’s standard engine is an all-new flexible fuel 3.6-liter Pentastar V-6. The 3.6-liter V-6 engine is an all-new design featuring double overhead camshafts (DOHC) and a high-pressure die-cast aluminum cylinder block in a 60-degree configuration. It features Variable-Valve Timing (VVT) and delivers 280 horsepower (209 kW) and 260 lb.-ft. of torque (353 N•m) @ 4,800 rpm.
This all-new 3.6-liter Pentastar V-6 engine improves fuel economy up to 11 percent compared to the previous Grand Cherokee equipped with a V-6. It is coupled with the proven W5A580, a five-speed automatic transmission that delivers smooth shifts and optimum fuel economy. The five-speed W5A580 transmission includes adaptive electronic control or Electronic Range Select (ERS) driver-interactive manual control and an electronically modulated torque converter clutch.
