The Infiniti EX will go on sale at the end of December, entering the compact SUV segment for the 2008 model year. The EX is powered by a 3.5-liter V-6 engine that delivers 297 horsepower and 253 pound-feet of torque. Some interesting, exclusive technology will be available on the EX including: Around View Monitor, Lane Departure Prevention, welcome lighting and scratch shield paint.