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The Infiniti M mid-size premium performance sedan enters the last year in its current product cycle essentially unchanged from 2009, when it received a new 303-horsepower VQ35HR 3.5-liter V6 for the M35, a new 7-speed automatic transmission for the M35 RWD model and numerous other enhancements.

For 2010, the Infiniti M is again offered with a choice of 325-horsepower 4.5-liter V8 (M45) and 3.5-liter V6 engines (M35) and with rear-wheel drive or ATTESA E-TS™ all-wheel drive.  It is available in four models total – M35 RWD, M35x AWD, M45 RWD and M45x AWD.  It goes on sale in September 2009.

The M remains a showcase of Infiniti’s advanced safety technology, including Intelligent Cruise Control and the Lane Departure Prevention (LDP) system, an advanced Infiniti Hard Drive Navigation System with touch-screen, 9.3GB Music Box hard drive for digital music storage and playback and available XM NavTraffic® (XM® subscription required, sold separately)

2009 Infiniti M – Hi-res. Images

Changes for 2010 include:

• Infiniti Mobile Entertainment System Package is now included as part of Premium Package
• M35 Premium Package is no longer available (applies to both M35 and M35x)
• African Rosewood interior trim is no longer available with Sport Package
• Lakeshore Slate, Desert Shadow and Sahara Sandstone exterior colors are no longer available and Wheat interior is only available with Moonlight White and Black Obsidian exterior colors