The Infiniti M is brand new for model year 2011. With incredible road manners, a luxurious passenger cabin and superior cargo capacity, it has all the qualities required of today's luxury sport sedan. The fact it can do it all and carry five people in complete comfort is more than just icing on the cake. It's the reason why this sedan should be considered one of the finest cars currently in the market.
The 2011 Infiniti M is available in four variations: M37, M37x AWD, M56 and M56x AWD. Which one you choose will most likely be based on your desire for 6 or 8-cylinder power.
Featured as the workhorse across the Nissan and Infiniti line-up, the 2011 Infiniti M37 and M37x AWD benefit from the now familiar 3.7-liter, 24-valve V6 used in both the Infiniti G37 and Nissan 370Z models.
Muscle is rated as 330 horsepower at 7000 rpm and 270 ft-lbs of torque at 5200 rpm. Mated to a 7-speed automatic transmission featuring Downshift Rev Matching and Adaptive Shift Control, power delivery is immediate and smooth.
While not as quick as the V8, it is speedy enough to get your heart racing and palms sweaty with anticipation. Fuel economy numbers indicate city/hwy ratings of 18/26 mpg for the rear-wheel drive M37 and 17/24 mpg for the all-wheel drive M37x.
The 2011 Infiniti M56 and M56x AWD models are powered by a 5.6-liter, 32-valve V8 engine. Similar in design to the V6, our spec sheet indicates 420 horsepower at 6000 rpm and 417 ft-lbs of torque at 4400 rpm. Manual shift mode is standard with the 7-speed automatic, a feature we put to the test on numerous occasions during our initial test drive.
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2011 Infiniti M37, M56 First Drive on AutoGuide.com