A new top-line model and newly available features mark 2007 for Jeep's largest SUV. Commander shares its basic underskin architecture with the Grand Cherokee, but is 2 inches longer, 4 inches taller, has different styling, and seats seven vs. Grand Cherokee's five. Sport and Limited models are joined for '07 by the line-topping Overland, which includes more features and wears unique interior and exterior trim. All models have a liftgate with opening glass and are available with rear- or all-wheel drive. A 210-hp V6 is standard in the Sport. A 235-hp 4.7-liter V8 is optional in the Sport and standard in the Limited. A 330-hp 5.7-liter Hemi V8 is optional in the Limited and standard in the Overland. It has Chrysler's Multi-Displacement System cylinder deactivation. Commander's sole transmission is a 5-speed automatic. Low-range gearing is standard on AWD Limiteds and Overlands, optional for AWD Sport models. Limited-slip front and rear differentials are available. All Commanders have ABS, an antiskid system with rollover sensors, and rear obstacle detection. Front side airbags and curtain side airbags that cover all seating rows and include rollover deployment are standard. Available features include DVD entertainment, navigation system, rearview camera, power-adjustable pedals, and, new for '07, remote start and a power liftgate.