The Red Sport 400's engine is largely similar to that of the 300-hp variant, with the main differences being a more aggressive tune and the addition of a turbo-speed sensor ... or if the road gets ...

Infiniti saw its sales go from 61,188 in 2002 to a whopping 207,129 in 2005 before ultimately outselling its key rival Lexus ...

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1.4L I-4 gasoline direct injection, DOHC, variable valve control, intercooled turbo, regular unleaded, engine with 147HP (1) 1.5L I-4 DOHC, i-VTEC variable valve control, regular unleaded, engine with ...

Used INFINITI Q50 3.0t Red Sport 400 (2) Used INFINITI Q50 3.7 (2) Used INFINITI Q50 LUXE (2) Used INFINITI Q50 SENSORY AWD (2) Used INFINITI Q50 2.0t Base (1) Used INFINITI Q50 Base (1) Used INFINITI ...