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MPG City: 14 ; Highway: 20
Infiniti's midsize sport sedan comes in M35 and M45 versions, denoting the 3.5-liter V-6 and 4.5-liter V-8, respectively, that power them. The car comes in rear- and all-wheel-drive variants, the latter called M35x and M45x. This report covers the M45 and M45x; the M35 and M35x are listed separately in Cars.com's Research section. Competitors include the Lexus GS, BMW 5 Series and Mercedes-Benz E-Class.Side-by-Side Comparison
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