Well, I am pleasantly surprised with how well my gas mileage has been with my G35 coupe. I am getting about 27-28 mpg on the highway and 19-21 in the city. I have heard so many people complaining about getting mileage in the mid teens.

What is your gas mileage?

Thats really good gas mileage....I usually drive mostly highway, and even with my best behavior on the gas pedal...My best has been around 22-24. Is yours manual or a 5AT?

I have an auto, but I use the manumatic (tiptronic) about 70% of the time.

That's so strange, I noticed better gas mileage as well if I drive in manumatic mode most of the time.

I only have 3k on it, so it still sucks - 16 average.Groundwire Kit goes in soon.

Ryan,

How many miles do you have on the car?? Are you runnin synthetic oil?? (You may have mentioned it in previous posts, not sure)

I have about 3700 miles on mine. General gas milege (combined city and highway), has been running about 19 mpg. I think that the G35X has a slightly lower EPA rating in milege than the G35.

Paul

I have 23,000 miles on it and I am not running synthetic.

I just purchased my sedan and have been disappointed with the mileage so far (around 17MPG) If sounds like you are impplying tha tthe milage may get better withtime why would that be?

FYI it is an Auto

I just check the navigation once in a while to see what my mileage is and it always says 18.5 avg. I don't know how accurate it is, but I drive alot of city miles (17,000) without using the manumatic mode. And I drive it very hard usually from every stop sign, (love that sound, can't get enough)

I have a 2004 G 35 Coupe, 6 MT and my average gas mileage is 17 miles per gallon. I was expecting to do better than that.Perhaps I am pushing it more than what the manual says for gear shifting speeds.

Trojan it sounds like you are getting about what most people are getting. I think I have just lucked into a very good gas mileage car for whatever reason. It seems that most people are getting between 17 and 20 mpg. There are a few who get 20-22, but not many.

I was expecting to get an average of 20-21....Since Infiniti list an Average of 18 City and 26 Highway. I do a lot of highway driving and I am averaging under the city 18MPG estimate.

The 1985 EPA test proceedure assumed a maximum speed of 60 mph and an average speed of 48 mph on a rural highway with very very mild accelerations.

Everyone knows that real world mixed driving results are more like the City numbers than Highway.

"The EPA city-driving test simulates an 11-mile, stop-and-go trip with an average speed of 20 mph and a maximum speed of 56 mph. The trip has 23 stops and includes time for the vehicle to idle at a standstill. The highway test simulates a 10-mile trip and averages 48 mph. The maximum speed is 60 mph.

The EPA already adjusts the fuel-economy results from its dynomometer test to account for "road load" - the difference between controlled laboratory conditions and the actual road. For city driving, the penalty is 10 percent; for highways, it is 22 percent.

But certain loads, such as running the air conditioning, are not considered. Neither is cold weather." All test assume no weight penalty for passengers and trunk.

"Two years ago it petitioned EPA and the National Highway Traffic Safety Administration to change fuel mileage test procedures and calculations in use since 1985. NHTSA deferred to EPA.

To support its petition, the group issued a report that said passenger vehicles [[SUV????]] were getting on average less than 20 miles per gallon on the road, or four to five miles per gallon less than government estimates.

"Thanks to the EPA, car owners are paying $200 to $300 more every year for gas than they thought they would," said Russell Long, the group's executive director.""

My G35X has about 2800 miles on it, and I have been getting 19.8 MPG. About what I think it should be getting. I do about 75% city driving and 25% highway driving. Much of your mileage would depend upon how heavy your foot is, I would guess.