The 2004 Infiniti G35 x AWD Sedan has a 3.5 L, 260 hp V6 engine with 5 speed automatic transmission.  Gas mileage comes out to 17 mpg in the city and 24 on the highway.  This trim has 4 doors, seats 5, and offers a full list of standard features that include air conditioning, power windows, power door locks, power/leather seats, cd player, ABS brakes, traction control, and stability control.  Options include navigation system and sunroof.