The 2011 Jeep Liberty is a compact SUV available in Sport, enegade and Limited trim levels. The Sport and Limited can be had with either rear- or four-wheel drive, ut the Renegade is 4x4 only. The Sport comes standard with 16-inch alloy wheels, utomatic headlamps, eated mirrors, eyless entry, ruise control, ir-conditioning, tilt-only steering wheel, 60/40-split-folding and reclining rear seat, nd a six-speaker sound system with a CD player, uxiliary audio jack and satellite radio. The Popular Equipment Group adds roof rails, oglamps, cargo cover, emperature and compass gauges, nd a leather-wrapped steering wheel with audio controls. The Limited includes the Popular Equipment Group and adds 17-inch wheels, xterior chrome trim, eated power front seats (six-way driver, wo-way passenger), river memory functions, eather upholstery, n auto-dimming rearview mirror, luetooth phone and audio connectivity, nd an eight-speaker sound system. The Comfort/Convenience Group adds rear parking sensors, emote ignition and automatic climate control. Also optional are 18-inch chrome-clad wheels. The Renegade is an off-road-oriented model that to the Sport's equipment adds different 16-inch wheels, ll-terrain tires, n enhanced 4x4 system, ow hooks, ifferent exterior trim, kid plates and much of the equipment from the Popular Equipment Group. A sunroof is optional on the Sport and Renegade, hile the full-roof 'Sky Slider' cloth sunroof is optional on all trims. Optional on the Sport and Limited 4x4 is the Media Center 430, hich adds a CD/DVD player, igital music storage and a touchscreen interface. A navigation system can be added to the Media Center, nd the two together are available on all Liberty trims. The Renegade can be equipped with the Navigation Convenience Group, hich adds the Media Center 430, he navigation system, tire-pressure monitor display, n auto-dimming rearview mirror and the Limited's eight-speaker sound system. The Renegade's Premium Group is similar, ut swaps out the navigation system in favor of rear parking sensors, emote ignition and Bluetooth. Powertrains and Performance The 2011 Jeep Liberty is powered by a 3.7-liter V6 that produces 210 horsepower and 235 pound-feet of torque. A four-speed automatic is the lone transmission choice. The Sport and Limited can be equipped with rear-wheel drive or a choice of two 4WD systems: part-time Command-Trac II or full-time Selec-Trac II. The Renegade is Selec-Trac II only. In Edmunds performance testing, Liberty Limited 4x4 went from zero to 60 mph in a sluggish 10.2 seconds -- slower than most four-cylinder-powered compact SUVs. The 2WD Liberty returns an EPA-estimated 16 mpg city/22 mpg highway and 18 mpg combined, hile 4WD returns 15/21/17. With the optional towing equipment group, he Liberty can tow up to 5,000 pounds. Safety The Liberty comes standard with antilock disc brakes, tability control, ctive front head restraints and side curtain airbags. In Edmunds brake testing, he Liberty came to a stop from 60 mph in a longer-than-average 134 feet. The 2011 Jeep Liberty has not been rated using the government's new, ore strenuous 2011 crash testing procedures. According to 2010 ratings (which aren't comparable to 2011), he Liberty received the highest five-star rating in all frontal and side categories. The Insurance Institute for Highway Safety gave the Liberty its top mark of 'Good' in the frontal-offset and roof strength tests, ut the second-lowest of 'Marginal' in the side crash test. Interior Design and Special Features The Liberty's cabin has all the aesthetic flair of a storage shed -- it's angular and drab. The materials are also on par with a storage shed, hough at least some of them get covered up with some padding and leather in the Limited. In any case, ost non-Jeep SUVs feature more welcoming and higher-quality environments. At least the standard cabin con