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TimestampForum UsernameWhat Year Is Your Sonata ?Engine TypeMiles Traveled During TestingGallons ConsumedTrip Computer MPG ShowedActual MPG By Your CalculationsTrip Computer Average MPHType of DrivingRelevant Notes, If Any

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10/14/2008 13:00:16Dogstar2006V6931.633.11No trip comp28.1386HighwayMountain driving, at high elevation and steep grades. Heavy foot and she still turned great mileage. Was in early September, mild to heavy rain and cool temperatures.

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10/14/2008 14:00:44mdale0072008I4130003833834Combination of Both

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10/14/2008 15:47:51rallyman2006V6332.115.0922Combination of Both

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10/14/2008 16:20:26ddix10262006V636512.33429.429.551.1Highway95% Highway Miles - Average Speed is my highway Cruise Control speed

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10/14/2008 19:09:00factrzero2009V640515.8242535City

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10/14/2008 21:47:28craigbrooks2006I429813.522.622.421City15% ethanol, same price as the 85 octane stuff. $3.17/gallon for our canadian friends. This manual calc was closer than previous for some reason. I'm usually off .5 - 1.2.

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10/15/2008 15:48:18Idiom2009I441712,832.57Combination of Both

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10/15/2008 21:03:19Oceanax132007V6183.58.99820.393Combination of BothMy Dad drove some highway miles, that's the only reason it's so good.

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10/15/2008 21:34:46GEWB2007I4741382243.2(n.a.)33.21(n.a.)HighwayLife time numbers.

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10/21/2008 20:12:50eddietel2008I440581552826.2 MPGCombination of BothConverted from litres and Imperial Gallons - conversion is approximate. I reset my trip computer at each fill so no overall average available.

Best MPG on a single fill was 34.5 MPG, all highway.
Worst milage was 22.5 MPG

Car has currently 8000 KM ( 6400 Miles ) on odometer

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10/22/2008 18:02:04wewaska2007V6268.0514.84618.16Combination of BothI get much better mileage out of the car when my wife drives it.

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10/23/2008 0:15:08Oceanax132007V6177.411.05416.048CityI had a few cold starts so it had to sit for a little. 100% city commuting.

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10/27/2008 16:43:44craigbrooks2006I4296.113.22322.422City88 octane, 15% ethanol, $2.579/gallon, 13.19 hours of running time. mid 30-50's for temps

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10/28/2008 12:54:48ddix10262006V636613.26928.127.547HighwayNormal Commute - however, one day sat in traffic accident for 35-40 minutes without going anywhere.. Would have been much higher otherwise.. (35-45 degrees morning commute, 55-65 degrees evening commute)

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11/5/2008 20:04:39saguaro_482009I4146552.6327.84Combination of Both40% Interstate driving - 75 mph

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11/8/2008 17:49:56hamiico2008L4 Diesel36001352626,6CityDid one trip with the car out of the city and i was getting 40 MPG with AC on.

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11/11/2008 18:33:27v33sonata2006V6338152122.740Combination of Both

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11/11/2008 20:13:21ddix10262006V636813.3928.227.4851HighwayFirst tank on my new General Altimax HP tires... Not too bad of a mileage hit, but i noticed the PSI was set to 29 PSI cold.. Inflated to 33 PSI cold after my fill-up this past time, so I will see if that makes the mileage better.... Weather turning cold in the morning (32-35 F) and mid-50's in afternoon..

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11/13/2008 19:27:52craigbrooks2006I428913.222.521.921City13.33 hours of run time. No ethanol mix this time. $2.189/gal. Left the station and drove a mile watched the price drop to $2.06/gal. SOB.

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11/17/2008 21:03:24GEWB2007I4778792356.833.19HighwayVery windy lately. Winter blend fuel.
(Miles and gallons exact; mileage formula subtracts 39 miles and 11.6 gallons to baseline first fillup.)

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11/18/2008 18:53:09ddix10262006V636814.13628.126.0352HighwayStarting to get colder outside... 35F in AM and 45F in PM... took a 1 MPG hit already..ouch...

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11/25/2008 18:50:25ddix10262006V636813.4627.627.3452Highway

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11/27/2008 5:12:34ol06gt2008I4102423832626.7442Combination of BothOne year of fuel to the day. Interesting that the most expensive gallon of gas was $4.93 (May of 2008) and the cheapest was $1.61 (November of 2008)...wow!

Car is flawless and mileage has increased about 2 mpg toward the last half of the first year. The I4 is an excellent motor..no question about it.

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12/4/2008 21:35:33craigbrooks2006I4299.214.721.220.35 : ( Sucks19City88 octane, 15.27 hours run time (cold here so a few days of 10 min idle time warming up), 0 in the morning and 15 deg leaving work. $1.629/gal no ethanol.

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12/18/2008 18:50:39ddix10262006V636814.87227.124.7451Highway

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12/18/2008 18:51:10ddix10262006V636813.36427.427.5350Highway

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12/19/2008 21:29:01craigbrooks2006I4not enough...234.8tooo many..1318.918.116City14.13 hours run time. $1.499/gal. No ethanol, 88 octane. VERY COLD temps here (-10 to -20) with lot's of 10 min warm-up times. : (

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12/24/2008 2:35:13Aryto2007I44801434.3Combination of BothManual Transmission

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1/5/2009 22:28:09craigbrooks2006I4271.815.218.317.9 ouch!16City0 to -20F. 16.32 hours run time. No ethanol blend.

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1/18/2009 22:21:09craigbrooks2006I4219.410.920.720.118City88 octane $1.43/gal. No ethanol. 11.56 hours run time. 20's to 50's for temps. Gettin' better.

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1/19/2009 9:27:24investingdad2009I433813.525Combination of BothMy commute is 25 miles of PA country backroads. Lots of elevation changes with up and down shifts. I have a 5 speed stick shift, not an Auto. My evening commute has mostly highway miles, however, as I pick up my little ones in the evening...hence, different route.

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2/8/2009 23:49:03craigbrooks2006I4246.611.222.22221City88 octane/no ethanol. $1.719/gal. 11.46 hours run time. Temps low 30's to mid 50's F.

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2/22/2009 0:41:50investingdad2009I41805.831HighwayHad some pure highway miles. Used the Cruise Control to hold around 65 mph. Really nice mileage on the highway.

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2/26/2009 12:01:14iowason072007V67248277.326.14Combination of BothMidwest winter driving, but mostly highway. Conservative driver, usually about 68 mph on interstates. Mileage corrected for 2% speedometer and odometer error.

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2/27/2009 0:53:06hbsprite2006V625014.7171725City

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3/24/2009 22:50:46craigbrooks2006I4325.515.122.521.620City87 octane. no ethanol.

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4/1/2009 10:52:38auto_wiz2008V612098531.76422.7528Combination of Both2008 Summary -- 90% suburb and city, 10% highway

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4/4/2009 4:08:47peacefrog_05212008I4207.16.3163232.7966Highway

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4/4/2009 4:10:57peacefrog_05212008I4450.114.81830.430.37553Highway

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4/4/2009 4:12:40peacefrog_05212008I4383.714.31726.838Combination of Both

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4/17/2009 7:26:05Thane2009I42287.5No computerCombination of BothI've had the car for 1 week. First time I ever put gas in the car. About 1/2 interstate miles, 1/4 state highway miles, and 1/4 city miles.

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5/9/2009 23:19:16Awfabee2006I4485.6216.95na28.68Combination of Both 70% highway, 30% city. Pokey starts & posted speed limits "almost" all the time. I'm a little disappointed as this is slightly less efficient than my former car: 1998 Mazda V6!

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5/17/2009 13:02:38Awfabee2006I4512.2216.94na30.25naCombination of BothSlightly more highway miles this time = better result. The l4 definitely likes to cruise! Not so great with stop signs and red lights though.

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5/18/2009 12:46:22disaster2007I440010.91435.83661HighwayTrip through appalachian mountains

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6/5/2009 18:56:59Photogeek2009I428711.924.1CityThis is the first measurement on a new car.

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6/5/2009 20:22:47KeithW2008V6100036.927.627.145Highway

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6/11/2009 14:47:24Idiom2009I451215.433,2Combination of BothI've installed solar trickle charger. Was 31MPG before that.

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6/23/2009 23:54:03craigbrooks2006I4276.311.4242422City12.39 hours run time. 88 octane no ethanol mix. Back to my summer city commute mileage. Gotta love this I4 auto for city driving!

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6/24/2009 10:15:31photogeek2009I440212.631.9HighwayDriving 55 - 65 on a country highway.

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7/6/2009 14:53:27tiberious2006V62025.834.434.862Highway100% highway driving from Michigan back to Chicago

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7/16/2009 21:10:15craigbrooks2006I431113.823.722.521City88 octane (no ethanol), $2.669/gal, 14.48 hours run time. Actual MPG shows you just can't trust the cars computer all the time.

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7/19/2009 23:15:36idiom2009I454614.7na37.12Highwayon I95 daytime. Night time was 33mpg.

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7/25/2009 20:15:09kaptain_zero2009I4385.9515.822524.39CityMy trip computer reads in Liters/per 100km, conversions are accurate to miles per US gallon. Trip computer showed 9.5L/100km and actual calculation was 9.63L/100km. All driving was within the city, mostly short ~10 mile trips but some longer ones. Car currently has 7800kms or 4846.695 miles on the ODO.

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8/12/2009 22:36:18craigbrooks2006I4346.514.425.424.122City87 octane, no ethanol. 15.28 hours. 12 miles round trip to work. Two stop lights and 35 mph speed limits. Love the city numbers but don't like that my computer is off that much. I still love this I4 Auto.

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9/9/2009 14:45:49jwstockwell2008I449814.8na33na - I'd say 68mphHighway95 % highway

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9/21/2009 13:36:38ricer2009V6318.913.157Combination of Both

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9/21/2009 13:37:46ricer2009V6329.812.0427.39Combination of Both

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9/21/2009 13:38:18ricer2009V6335.110.59131.6480Highway

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9/21/2009 13:38:38ricer2009V6474.415.55330.580Highway

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9/21/2009 13:43:36riceR2009V6324.214.17322.8CityI should mention that I have a CAI installed in the previous posts as well...

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9/28/2009 10:32:13Kittu2009I4120around 3, i guess36.4Highway

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9/29/2009 21:53:36UVAFan2009V62821420.220.230CityAlmost all city driving. In the extremes, I get about 18.5 if 100% city driving, and about 31 mph if all highway

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10/7/2009 19:00:39tjnamtiw2006I4144046.531.13165.1Highwaytook a trip on all interstates. City average with a few 40 mile jaunts per tank yields about 25 mpg.

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10/11/2009 13:59:28SonataGLS092009I4448143132HighwayTraveling I-75 in July South Florida weather.