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In this episode of Ignition, presented by Tire Rack, there is big news in the power department: The Infiniti Q50 gets an all-new, 400hp, twin-turbo V-6 with roots in the Nissan GT-R engine.

When INFINITI created their second-generation FX line-up for 2009, the FX50 became the new top-end crossover. Featuring styling that evolved from the radical appearance of the prior FX first marketed ...

66% of drivers recommend this car What is the MPG of the 2010 INFINITI FX50? The 2010 INFINITI FX50 offers up to 14 MPG in city driving and 20 MPG on the highway for a combined rating of 16 MPG.