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The elevation is posted, along with the population, alongside roadways as you enter cities and towns here. Within a radius of 100 miles in all directions but West, we sit about 4,000 Feet. Elevation is also given on all highway maps I have seen from the Automobile Association, for most major cities and towns.
I am not so anal-retentive as to have been asking for the exact elevation of where you are driving, and it is not needed. I understood your point, and if only you existed in the world, it indeed would not matter. However to illustrate for others as to what makes your car run better, with better performance, it is indeed a germain point to know at what elevation the "tests" were run.
I think that unless the engine is being run at less than maximum load then the octane rating should make little difference in power output though "engine knock" should still be the predominant issue.
Yes, elevation matters because of the change in barometric pressure but I'd look elsewhere for significant differences in mileage from one driver to another.
I will say that in the spirit of friendly chat concerning mpg, some will find it informative to know the elevation at which the driving is done but, for heaven's sake, if the information is not forthcoming can we just move on?
tidester, host
Oh, I forgot to say if you want that type of milage with a CR-V your top speed will be 65mph (45mph with ANY headwind)
The CR-V is VERY under powered. I prefer to get where I'm going, and be able to walk when I get out of the car. I junked my CR-V after only 5k! :lemon:
Congratulations on your new ride!
Merlot with cafe latte leather. Thanks for the congrats. Wife loves it. So do i. :shades:
We have been using 87 octane because everything I have read, including from the oil companies who sell the stuff (see box at http://www.chevron.com/products/PRODSERV/FUELS/bulletin/fuel_economy/) indicates that using an octane above the required value will not improve fuel economy. They all say that higher octane fuel is ONLY to prevent knocking. Most of the results from people in this forum seem mixed about testing fuel economy with different octanes.
My wife and I got this Murano new in May and we are in love with it except for this mileage thing. Has anyone else had similar problems? Could it be unique to AWD models?
If I remember right, I did experience around 15-16 MPG city when my Murano was new and worse on cold days. But noticed improved MPG as I increased my mileage. My mixed driving is currently giving me between 17-18.5 MPG.
I'm currently using mid-grade gasoline...K&N air and oil filter..Mobil 1 oil...My best Highway was 20-22MPG at an ave speed of 100-110 KM.
I hope this helps.
My foot was so far in the firewall I pulled one pass at a buck 5, and on a slight grade. My average highway speed in Nevada was 82 mph, and in CA, 72 mph, in town was 19 mph, and up-hill in traffic was 26.5 mph. All these speeds, were done with with a dive watch, the speedo, and a calculator, of course, while driving.
The Murano, USING cruise control pulled 19.7 mpg while using 83 octane NV/CA regular, and 20.2 with 87 NV/CA supreme. Those were total numbers, yet in specific flat areas, 25.7 was achieved over a 225 mile run, and 10.3 on a 71.5 mile run from minus 232 feet, to 5138, back down to 139 feet, back up to 6104 feet, and down to 3190 feet, all while following slow traffic, constantly in the brakes, going uphill, and trying to maintain a simple 40 mph with the firewall stopping the pedal.
Your mileage WILL differ. On one short, flat run at 4000 to 5000 feet, 30 mpg was it, at 72 mph, give or take a small hill. Anything is possible, but MY vehicle average, on cheap gas is going to be, I guess, around 20-21 mpg on MY normal roads. Put me on I-5 at 68 mph, and I bet, 25-28 mpg is easily obtained.
EPA Overhauls Fuel Economy Estimates for 2008
Testing methods changed to mirror "real world" driving habits.
Here's a good article to read in here. Car buyers will soon have a much better and realistic EPA report when looking at a cars fuel economy.
HOWEVER, you will see a difference in extreme loading conditions. This loading condition will occur with loads at or near towing maximum load rating, high temperatures, and sustained high RPM levels. The higher octane in the fuel reduces the flash point of the fuel slightly, and encourages a more effecient burn of the fuel, while converting SLIGHTLY more dead dinasaur to power than the cheaper stuff, but unless you enjoy putting your dollars in the oil companies bank account, if your Murano runs well on regular, run it.
In older vehicles, this poor burning thing, was diagnosed as "pinging". The computer your Murano has, self adjusts the amount of fuel, at the proper time, as altitude and temperature change, to reduce this condition, and does help a great deal.
The other thing the OBC does is adjust the VOLUME of fuel sent to each injector as the altitude changes, Again, different than older vehicles. What you MAY see, are slight differences in each engine. Remember, engines can be as different as people. Some alterations occur unit to unit, day to day.
Right now, our temps have been from -1 to 16 degrees the past week or so, and the mileage I have had, dropped to 17 MPG according to the computer, in town. It takes more fuel to move a cold vehicle, as friction increases, as AWD use increases, and yes my AWD was engaged several days in the past week, all day, and by overall fuel used vs miles traveled, this week was 18.1 in town, no freeway, AWD for 94 miles, and ice, lots of ice, which also equates to slower speeds and a lower gear too.
To compare, my BMW M3 gets 9 mpg in this dismal weather, but in July, on The Lonliest Road In America, a whopping 22 MPG is possible, but not practical, with the HIGHEST cost supreme, WITH an octane booster in the tank. Our Murano rules.
Excellent info!!
mobster75
Typically my MPG has gone down 10%-15% from December until March. My best milage has been in the fall and spring when it's warmer and have no need for the AC. The whole thing got really confused when Ethanol came along. Ethanol, the latest and greatest additive which seems to be replacing MTBE's, drops milage +/- 10%. :confuse:
Here in New Zealand I am averaging 13-14litres per 100km or as I prefer 7.6km per litre around the city.
On long trips about 8/100 or 12k's per litre this is all on using 96 unleaded octane.
Nissan New Zealand adives it should do around 10k/100 on a trip average in total 12.5
reviews : www.nissan.co.nz
Overall, with the curise control at 84 mph, 22.4 miles per gallon, with about half on a/c, all with wind was the end result. And yes, in Elko, Nevada, and in Orem, UT, 85 octane is the regular. Guess what, NO Problems. And up to 8,000 foot summits are on I-80, at full speed. ( ok 7900 feet actual ).
Funny thing, across the Bonneville flats, you would expect great mpg. No dice. Too much wind. 17.1 mpg SLC, UT, to Wendover, NV, actual, no computer numbers, but in the mountains, 21.2, and no traffic. Odd, but less wind.
Just to compare, Our BMW M3, 10.7 mpg, with no speed over 78 mph, Reno to SF, CA., no a/c, just traffic, and people that should never have been licensed to drive. And 11.7 mpg in my 1991 Peterbuilt, with 86,000 lbs over the same route, I-80, with little traffic.
Our Murano Still RULES!
Better yet, we have 15% MTBE in the soup, and the government expects the stuff to burn!!
We really miss real gas here. Nevada was one of the last states to have "no speed limit" on most of our roads. Nixon stopped that, and this "good" republican state canno't see fit to re-establish them. You ever spent 13 hours staring at a potted plant? That is what it takes to drive from Salt Lake City, UT to Reno, NV at 78 MPH.
MMReno
The Loneliest Road in America
What has other gotten with just a non-AWD S ?
Tony
From what I'm assuming, you'd need to average AT LEAST 1mpg more than when you used regular.
Speed makes a difference and speed cost money.
With the fight about 87 vs 93; the engine is rated at 245 with the 93, with 87 there is about a 4-6 hp drop if I am not mistaken because the timing is backed off / retarded.
In town, the Murano gets about 21-22.
Mix of highway and around town using regular gas always. Have averaged between 21-22 mpg with a bit better on a long drive. Only twice did I get just under 20 mpg and both times were during very cold weather.
Am a conservative driver with no jack rabbit starts and coast to red lights, etc.
And I don't speed, trying to keep under 65 when traffic will let me.
Car is in immaculate shape with no problems. (knock on wood) :-)
We have maxed at 26.5 mpg on a trip to Florida and worst at 20 mpg. We average about 23 most of the time except when we travel from middle TN to east TN and get about 24-25 most trips but going across Monteagle Mountain always causes us to lose at least 1 mpg on the average.
We have had ZERO problems with the car and will trade it for a Rogue in January. It will be a little smaller but with the miles my wife puts on a car, the extra few mpg will add up and the lower lease payment will be nice as well.
You can not go wrong with a Murano!