Critical Knowledge:

2010 Jeep Commander: The 4.7-liter engine has been dropped, but there are new cosmetic touches, including new wheels, and standard upgrades for 2010-reportedly the Commanders last year.

2010 Jeep Compass: The Compass receives new active head restraints, a 5-speed manual transmission offering on the 2.0-liter engine, and two new options.

2010 Jeep Grand Cherokee: Due for replacement in 2011, the Grand Cherokee loses the Overland trim level but gains a new exterior color for the high-performance SRT8.

2010 Jeep Liberty: There are a slew of new standard features on the Liberty for 2010. These include active head restraints, air filtration, fold-flat front passenger seat, and other trim level-specific fitments.

2010 Jeep Patriot: Like the Compass, the Patriot receives new active head restraints, a 5-speed manual transmission offering on the 2.0-liter engine, and two new options.

2010 Jeep Wrangler/Wrangler Unlimited: Topless driving is more convenient with the new easy-to-remove soft top. Fog lamps, tow hooks and a compass are now standard, and changes have been made to the upholstery and exterior paint colors.