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Nissan Altima Real World MPG

195 messages,  Last post on Sep 25, 2009 at 6:11 PM

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

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#183 of 195 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 195 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 195 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 195 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 195 '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 195 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)
#190 of 195 Re: Nissan Altima Owners: MPG-Real World Numbers [afty] by franny67 Jun 01, 2009 (4:13 pm)
Replying to: afty (Sep 28, 2005 9:37 pm) My 06 2.5SL gets 29mpg city & hwy Replies to this message: iscream420 (Aug 16, 2009 6:36 am)
#191 of 195 Altima MPG and MPH by tzzoooma Jul 23, 2009 (3:39 am)
Just made it to 1k miles after a month and numbers have stabilized.   2009 Altima Sedan 2.5S MPG - 32.6 MPH - 37.4   What are your numbers?
#192 of 195 Re: Nissan Altima Owners: MPG-Real World Numbers [franny67] by iscream420 Aug 16, 2009 (6:36 am)
Replying to: franny67 (Jun 01, 2009 4:13 pm) I have a 05 2.5s altima and i get about 32mpg thats a mix between city and highway but , mostly its city miles..I use the highest octain gas and add marval mystery oil to each tank of gas.Some times i get higher mileage 34 or so highwway but it never goes under 27mpg in the city.I reset my miles every time i fill up and this last tank i got 448 miles and put 14g in the tank and had 6g left in the tank before i filled up.its was near empty when i filled up.And i always use shell gas nothing else..

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