2009 Midsize Premium Cars Buyer's Guide

2009 Infiniti M-Series
With the Infiniti Q45 out of the lineup, the Infiniti M has assumed the role as Infiniti’s flagship sedan. Launched as a 2006 model, the M-Series is offered with a powerful 6- or 8-cylinder powerplant and rear- or all-wheel drive (the AWD system features Nissan’s ATTESA E-TS technology which is shared with the Nissan GT-R supercar). The 6-cylinder M35 and 8-cylinder M45 are luxuriously equipped with standard leather seating and convenience features, even in standard trim, while innovative options include active cruise control and a lane-departure warning system. The M35, with its standard 6-cylinder powerplant, earned EPA fuel economy estimates of 16 mpg city and 23 mpg highway. In our Initial Quality Study (IQS), which measures new vehicle quality at 90 days, the M-Series shared the No. 1 ranking in its segment. After significant upgrades for the 2008 model year, the 2009 Infiniti M remains mostly unchanged.

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