A majority of Infiniti's 2005 product range features some level of upgrade for the new model year. Receiving exterior styling modifications for 2005, the Q45 flagship sedan is treated to an updated exterior as well as enhancements to the cabin environment. New exterior styling and LED taillights have been added to the Infiniti Q45. A new instrument cluster, upgraded seats and improved accents such as genuine dark maple wood are found on the 2005 Infiniti Q45. On the FX crossover vehicle line, the 2005 model year features the introduction a greater level of safety. Roof-mounted curtain airbags are standard on all 2005 FX models while a completely advanced Lane Departure Warning system is available on the premium crossover. Added performance can now be exploited from the Infiniti G35 Coupe for 2005. A 298-horsepower 3.5-liter V-6 engine is paired with the six-speed manual gearbox. Also new to the two-door for 2005 is a Sport-Tuned Suspension Package boasting greater performance handling that includes a Viscous Limited-Slip Differential. With the departure of the I35 at the end of the 2004 model year, no product in the 2005 Infiniti line-up is front-wheel driven.