 There are few differences between the 2003 & 2004 G35 coupes.Both '03 & '04 six-speed manual models had the option of Brembo brakes and the Performance Tire and Wheel Package.On the 2005 coupes, three new colors, 'Athens Blue', 'Lakeshore Slate', and 'Serengeti Sand', replaced 'Twilight Blue', 'Caribbean Blue', and 'Desert Platinum' respectively; also, the Willow Cloth interior option was removed, and Stone leather became available.