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Nissan Altima Real World MPG

196 messages,  Last post on Nov 29, 2009 at 7:50 PM

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What is this discussion about? Nissan Altima, Fuel Efficiency (MPG), Sedan

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#180 of 196 Re: Nissan Altima Owners: MPG-Real World Numbers [KarenS] by texmiguel Jul 26, 2008 (1:50 pm)
Replying to: KarenS (Jun 14, 2005 5:48 am) 08 Altima 2.5 w/CVT   These past six months my mileage has improved slightly, after a front wheel alignment and breaking in the motor. On the open highway in Texas I drive 400 miles between towns often. I donot fillup till I arrive at my destination. At first I got 33 mpg more or less depending if I use the AC. Now I get an avg of 38 per the car's trip computer if I donot use the AC. This driving 65-75 with very little traffic or towns in between. I am very happy w/mileage, but I do not track use intown as of yet.
#181 of 196 Trip meter,can I trust it? by ndiboy Jul 28, 2008 (3:02 am)
I bought this I4 2002 Altima with 73,000 miles in January 08 used.I have been averaging 18.8-22.3 in the cith and 26-31 on the highway.When i use pen and paper there are some discrepancies as reported by other contributors. I have also noticed that sometimes i need to reset the mpg meter to get something near reality e.g after a highway trip reading of say 29mpg by the time you enter a city you expect it to go down but sometimes it either stays there or takes time to come down and Nissan says it updates every 30 secs. When I am in such situations, I reset it and it comes down to b/w 21-23. Has anyone observed similar things? Chuma, Nigeria.
#182 of 196 newer MPG numbers? by guyverfanboy Apr 20, 2009 (10:57 pm)
Any body have any newer MPG numbers? Replies to this message: neo_ (Apr 24, 2009 7:10 pm) jkandler (Apr 26, 2009 1:00 pm) godeacs (Apr 25, 2009 6:21 pm)
#183 of 196 Re: newer MPG numbers? [guyverfanboy] by neo_ Apr 24, 2009 (7:10 pm)
Replying to: guyverfanboy (Apr 20, 2009 10:57 pm) 2.5 S. Roughly 18K miles. 27.5 MPG over ~2 yrs in Milwaukee. For those who don't know, it goes below 0 in winter, so impacts my MPG significantly. I use the lowest octane gas. I am a very careful driver. Use lots of cruise and don't accelerate too hard, though I find it really tempting to just floor it Replies to this message: jkandler (Apr 26, 2009 1:00 pm)
#184 of 196 Re: newer MPG numbers? [guyverfanboy] by godeacs Apr 25, 2009 (6:21 pm)
Replying to: guyverfanboy (Apr 20, 2009 10:57 pm) Very similar to neo. 2008 2.5S, owned for 19 months, 22+K miles - getting 27-30 mpg consistently but here in Texas I don't have cold temps....
#185 of 196 Re: newer MPG numbers? [neo_] by jkandler Apr 26, 2009 (1:00 pm)
Replying to: neo_ (Apr 24, 2009 7:10 pm) So, what do you think about these numbers verses those on the window sticker? I have a 2007 2.5 S and get the same mileage as you, tank-tank fill-up.
#186 of 196 hwy mileage - 2007 vs 2009 Nissan Altima by rdeschene May 02, 2009 (3:28 pm)
I rented a 2008 (might have been a 2007) Altima two weeks ago, and now a 2009 recently and drove almost identical routes: about 1200km round trip from Brockville, ON to either Secaucus, NJ or Princeton, NJ. As close to 100% highway driving as you get, with several long hills as one crosses the Pocono mountains.   The 2007/08 reved at about 2400rpm at 70mph (110 km/h), had enough horsepower to get up these grades without downshifting and got around 32mpg for the trip. The 2009 reved at just over 2000rpm at 70mph and got 35mpg and produced noticeably less engine noise and still did not downshift on the grades. I assumed if they increased their OD or final drive gear ratio on the 2007/08 it could improve mileage without harming highway performance, and sure enough it did.   They also improved the speedometer light colour and contrast so that it can be more easily read with either sunglasses or sun glare, which was certainly needed. Especially for the inside set of numbers (mph on Canadian vehicles).
#187 of 196 '09 2.5 Hwy mpg by wjtinatl May 03, 2009 (4:08 pm)
Just returned from a 1500 mile trip from Atlanta to Baton Rouge and back in a Hertz rental with 7500 miles on it. Averaging 64 mph over the whole trip, about 85% highway. On highway average speed was right at 80 mph, using cruise. According to the computer and my calculations, averaged just over 30 mpg using A/C about 70% of the time. Loaded with about 300 lbs. of cargo in addition to my 260 lb. self. Was very impressed with the mileage as well as the highway speed acceleration with the CVT. Not rally a big fan of CVT's but it is obviously an efficient transmission. By the way I make this trip frequently and have made it in an '07 Accord (4cyl auto) and Camry LE (4cyl auto), both averaged about 28 mpg on this trip. The Altima provides superior performance and economy to both.
#189 of 196 2008 altima mpg by char5321 May 24, 2009 (4:12 pm)
I have been to the dealership 4 or 5 times. I am losing mpg on the highway . I am only getting 21 to26. The dealerships keep say there getting no codes. The engine sound good but the mpg keep droping.I heard adding  pure acetone will increase mpg , but I am not sure what it will due to the engine or sensors. Replies to this message: jkandler (Aug 23, 2009 10:21 am)

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