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Kia Optima Real World MPG

139 messages,  Last post on Sep 16, 2009 at 6:48 AM

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What is this discussion about? Kia Optima, Fuel Efficiency (MPG), Sedan

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#119 of 139 Re: Four cylinger: 20.3-- mostly around town [mickeyrom] by mingdoi Jul 10, 2008 (8:57 pm)
Replying to: mickeyrom (Jul 07, 2008 9:16 am) The stock KUMHO tires on the 2008 Optima have a max pressure of 44psi and KIA recommends 30psi. I split the difference and run at approximately 37psi. Changing over to nitrogen to replace the air is also an added bonus to prolong the life of the tire. But the most important aspect the I have found to increase mpgs is my speed; keeping 60-65mph does decrease gas consumption. Replies to this message: mickeyrom (Aug 10, 2008 6:04 am)
#120 of 139 Re: Four cylinger: 20.3-- mostly around town [mingdoi] by mickeyrom Aug 10, 2008 (6:04 am)
Replying to: mingdoi (Jul 10, 2008 8:57 pm) The recomended PSI on my 2006.5 Optima is 32 and I run them at 35PSI.I also have the Khumo tires.after 20,000 miles they still loook brand new.
#121 of 139 100 Mile Day Trip... by csandste Aug 10, 2008 (6:22 am)
I took the wheel. Over to Pere Marquette State Park, back through Alton. Some urban driving but lots of country and slow Interstate. Hit almost 30 which is a lot better than my wife who usually struggles to hit 20, although her driving is usually a much higher rate of city driving.
#122 of 139 St. Charles Co. MO to Louisville by csandste Sep 07, 2008 (9:22 pm)
Averaged just under 30 mpg each way with at least 15 percent city driving on two tankfuls. Would probably have averaged 32-33 on a straight highway trip. Agree with Mickeyrom that city and highway mpg seem quite disparate. Shoved the transmission over into manual mode for highway-- kept if from downshifting on every grade, although it still went in and out of lockup. Replies to this message: mickeyrom (Sep 08, 2008 6:01 am)
#123 of 139 Re: St. Charles Co. MO to Louisville [csandste] by mickeyrom Sep 08, 2008 (6:01 am)
Replying to: csandste (Sep 07, 2008 9:22 pm) He Cs...long time ole pal... That is about the same mileage as mine.I also go into manual mode when on the highways for the same reason as you..how about that? Unfortunately,sometimes I forget that it's in manual when I stop and the when I start....it stays in low much too long,until the light goes on in my old brain and I shift it back to normal auto.
#124 of 139 St. Charles County-Little Rock-Memphis by csandste Oct 20, 2008 (9:23 pm)
Another weekend jaunt. Averaged 28 mpg mixed with around town driving in Little Rock and Memphis. Got 40.1 mpg on straight Interstate driving between West Memphis and Cape Girardeau. 70 mpg with air on part of the time. I can't believe that I got the tank completely full but maybe, know that the mpg goes way up on straight highway driving. Replies to this message: mickeyrom (Oct 21, 2008 4:29 am) csandste (Oct 21, 2008 3:50 pm)
#125 of 139 Re: St. Charles County-Little Rock-Memphis [csandste] by mickeyrom Oct 21, 2008 (4:29 am)
Replying to: csandste (Oct 20, 2008 9:23 pm) My mileage is not affected by AC use.Your mixed mileage is very good though. I think consumer reports had mixed driving at 25MPG. I get excellent highway mileage,but I don't drive as fast as you do. Since the jump of gas prices I tend to drive Interstates at 5 mph under the posted limits.Believe me,you get used to it. Replies to this message: csandste (Oct 21, 2008 3:50 pm)
#126 of 139 Re: St. Charles County-Little Rock-Memphis [mickeyrom] by csandste Oct 21, 2008 (3:50 pm)
Replying to: mickeyrom (Oct 21, 2008 4:29 am) I have gotten used to 60-65 but this was a longer drive (although not the thousand miles a day I used to log).   The 28 mixed was more highway than around town by far. Still I'm happy with the highway mileage.

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