Infiniti M Overview

The 2011 Infiniti M is a 4-door, 5-passenger luxury sports sedan, available in 4 trims, ranging from the 37 to the 56x. The M37 has a 3.7-liter, V6, 330-horsepower engine while the M56 has a 5.6-liter, V8, 420-horsepower direct-injection engine. Both engines feature Infiniti’s VVEL (Variable Valve Event & Lift) system and are combined with a 7-speed automatic transmission. Both the M37 and M56 are offered in real-wheel-drive or all-wheel-drive versions.

The 2011 Infiniti M is redesigned with a more aggressive appearance that includes a long, low hood, more sculpted fenders and signature Infiniti grille.


Standard Engine:

$46,250 – $60,050

5.6-liter, V8, 420-horsepower engine that achieves 16-mpg in the city and 23-mpg on the highway. 7 Speed Automatic transmission.

Average Consumer Rating: 4.60 stars

Expert Rating: 4.0 stars

2011 Infiniti M56x AWD 2011 Infiniti M56x First Impressions Review
Rating: 4.0 stars
By David Colman

“The M is a righteous flyer on the freeway, thanks to copious torque (417 lb-ft worth) coupled to a 7-speed automatic that matches revs on downshifts when manual mode is engaged.”

2011 Infiniti M56x AWD 2011 Infiniti M56x Review – Your personal Learjet for the streets
Rating: 4.0 stars
By Bill Clark

“The M56x offers power, luxury, and technology in ways that you didn’t know you needed, but once you experience them, you won’t want to live without them.”

2009 Infiniti M45 2009 Infiniti M45 Review
Rating: 4.75 stars
By Peter N.

“The M45 achieves the fine balance between road feel and ride comfort that vex many a luxury sedan. The M45 delivers the best of both worlds.”

2007 Infiniti M35 2007 Infiniti M35 Review – The “Value-Oriented” Luxury Sedan
Rating: 4.5 stars
By Kurt Gensheimer

“The sane instrument cluster layout, beautiful wood trim and comfortable leather seats make the M35 interior a real winner… The cavernous trunk is wiseguy approved for dropping associates off at the East River for their final fishing trip.”

2007 Infiniti M35 First Impressions: 2007 Infiniti M35 Review
Rating: 4.25 stars
By Twain Mein

“I have to say my eyes were opened. This is a very “pretty” car with luxury that would be a pleasure to commute in. But it’s also got the power and handling to make spirited runs rewarding.”

Photo Galleries:
2011 Infiniti M56x | 2009 Infiniti M45 | 2007 Infiniti M35

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