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Infiniti G35 Real World MPG
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Comments
My car has 14K...it's gotten slightly better. I actually did better on reg than premium...but that one still escapes me.
In the meantime I will continue to experiment (Higher MPGs) and have a blast with my G (Dismal MPGs)...
sween
My Jeep Grand Cherokee gave me better MPG...LOL.
It's an undiagnosed medical issue.......with your heavy right foot. Granted, the X is a few hundred pounds heavier than the Coupe, but you have to really be on it consistently to get as low as 12. Glad you are enjoying the car! And don't you just hate to see those gas prices relative to last August? Yahoo!
Jack
That .3 of a second Infinity advantage to 60 mph (one mentioned) compared to the Accord works out to 26.4 feet or nearly 9 yards! If you wanted economy, why didn't you stick with the Accord or better yet get a Civic? The Accord will not out handle the Infinity. Nor will it outbrake it. Here is what folks have contributed.
New car, tight.
Frigid outdoor temperatures.
Idling to warm up the car.
City driving.
Speed.....i.e., 75mph.
Winter blend gas.
What the car is and enjoying it.
There are a few web sites out there that actually have confirmed through testing that the best fuel mileage for most passenger cars is achieved between 45mph and 55mph. After that, as the speed increases linearly, the fuel mileage falls exponentially. Wind resistance.
Didn't you ever wonder why a 330hp G can hit 155mph WITH the speed limiter; yet a 500+hp Z06 Corvette with better aerodynamics can't go just 45mph more top end and hit 200mph? That is how severe wind resistance negatively affects a car. You can figure in fuel economy why you are at it.
At Christmas I rented a 2007 gasoline powered Chevy Tahoe, stuffed 5 people and luggage inside, and hit the cruise at 70 mph, got 20mpg out and back, 2,084 miles. Despite the gas formulation, winter temperatures, weather slow downs, and 7 potty/food stops for those with weak bladders. A stinking 6,000 gross vehicular weight Tahoe, weighed before passengers and luggage.
The folks that ARE getting the G's epa mileage figures didn't luck out and get an extraordinary car. Look in the mirror, read up on how to max your fuel economy, or simply pay attention to your right foot. Anyone can get the low mileage figures too, but we/they can also meet the city and highway epa numbers as well.
I have issued this suggestion before and NO One has responded. Go out on the highway. With the engine at operating temperature. When you reach the speed limit (55-65mph, whatever), hit cruise and reset the fuel mileage readout. Drive 100 miles of pure highway, unimpeded by traffic, tolls, and the related speeding up and slowing down. THEN report back your mileage to us.
Even in the dead cold of Winter and with the Winter gas formulation, a broken in G can get you 24 highway and 16-17 city. Eliminate the temperature lows and the reformulated Winter gas and you will probably achieve the epa highway figure with a broken in G.
Stop worrying about the fuel economy, or simply enjoy the car.
I guess my foot is a little heavy ...but how fast can I drive on Sunrise Highway (L.I. New York).
I'm driving to New England this weekend, so I will zero out the odometer and set the car on cruise control. I'll let you know the results. Thanks
Trinbago-- i suggest if your making the trip up north--to do one thing-- take the merrit parkway (the navi will tell you to take 95n-dont listen to it) all the way up until you hit I 91 in CT-- the reason you should take this highway is to truly enjoy the G-- lots of turns at highway speeds -- you'll also get some sweet straightaways and there is always someone willing to match you on speed bursts. Once on 91 then hit cruise and you'll see the MPGS climb-- best of both worlds --
I filled up tonight-- 13.4 mpg for the tank --17.3 gallons to be exact before the stupid "warning light" went on. 20-17.3= 2.7 gallons left. All city driving as you probably guessed.
The advice given by pscheid was on the money. Based on my calculations, I averaged 22-23 MPG. Keep in mind at times I was doing 75MPH.
The car is really great. when I arrived at my destination, I did not feel like getting out of the vehicle. Now i have to be concerned about speeding tickets. LOL.
Best non-winter fuel mileage was 24.4 MPG going from NJ to ME (pure highway) with the stock A/S Dunlops
Best winter fuel mileage was 23.4 MPG going from NJ to NH (pure highway) with the winter Dunlops
Highway speed probably averages about 72 MPH. Too many speed traps in CT, so I have to watch it. It is tough to drive this car slow, but it is tougher paying speeding tickets and higher insurance rates.
Averaging about 21.5 MPG with 70/30 Highway/Surburban driving
I'm satisfied with these numbers that I am getting.
Recently drove to Orlando and got 22.3 MPG averaging 70.9 MPH for 477 miles. Pic of odometer: http://flickr.com/photos/missner/3328957009/sizes/m/
The only car manufacturer I am aware of that lists in their web site horsepower and torque differentials between premium grade (91-93 octane) and regular (87 octane) is Hyundai. For their new 370+ horsepower Genesis! I was staggered that the hp and torque drop-off was so negligible, only a few hp and lb. ft.
18700 miles-- just did a 460 mile round trip east coast trip-- 95% highway and got 23 mpg with help from the digital readout.. not bad with an avg speed of 65mph
My SIL has the ML 320 (SUV), and that was his only complaint too. Until he found a private mechanic that does all of his work at roughly half the cost, and he has never looked back. No bring backs either.
Re the fuel mileage on the G, if you have read far enough back in this thread you know my opinions on the topic of MPG. Fun and enjoyment come with a price, and to me that price is worth it.