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Thread: Real world MPGs

  1. #741
    Senior Member Variable's Avatar
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    42.3 mpg @ 75 mph. A/C on and three people in the car. On average, I get 37-38 mpg.
    VELOSTER APPAREL https://plus.google.com/u/0/100445685402074231306/posts



    : Official US Copyright Office Registration Information> Of My Silhouette Named.. "Tuner Car Profile" >> VA0001829171 / 2012-07-14

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  3. #742
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    It is very hard to get real world figures. There is more than one person in the Real World Mpg thread that go by the car computer read out. As Diane has stated, it is not accurate. My last highway trip it said I was getting 44mpg. When I refueled the mpg was about 35. Believe me, I wish it was 44mpg. Around town with the A/C on I am getting about 22mpg. Granted I take short trips. I do my best to drive like an old lady and follow the shift prompts. The computer says I am getting 28.2mpg. Again, way off. Check out Fuelly.com.

  4. #743
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    Mine is now 39.52..

    Here's an older chart of some of my tankfulls

    Date Miles Fuel (gals) Price Total MPG overall MPG To Date
    8/23/2012
    398
    10.72
    3.799
    40.73
    37.13
    37.13
    8/28/2012
    426.9
    11.12
    3.699
    41.13
    38.39
    37.77
    9/4/2012
    444.5
    11.49
    3.799
    43.65
    38.69
    38.09
    9/11/2012
    414.9
    10.935
    3.979
    43.51
    37.94
    38.05
    9/17/2012
    435.2
    11.164
    3.979
    44.42
    38.98
    38.24
    9/21/2012
    403
    10.391
    3.839
    39.89
    38.78
    38.32
    10/1/2012
    451.3
    11.61
    3.879
    45.04
    38.87
    38.41
    10/5/2012
    405.4
    10.598
    3.899
    41.32
    38.25
    38.39

  5. #744
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    By the way, my trip monitor averages 43-45 mpg so you can see how inaccurate that is....

    Quote Originally Posted by lancemib View Post
    Mine is now 39.52..

    Here's an older chart of some of my tankfulls

    Date Miles Fuel (gals) Price Total MPG overall MPG To Date
    8/23/2012
    398
    10.72
    3.799
    40.73
    37.13
    37.13
    8/28/2012
    426.9
    11.12
    3.699
    41.13
    38.39
    37.77
    9/4/2012
    444.5
    11.49
    3.799
    43.65
    38.69
    38.09
    9/11/2012
    414.9
    10.935
    3.979
    43.51
    37.94
    38.05
    9/17/2012
    435.2
    11.164
    3.979
    44.42
    38.98
    38.24
    9/21/2012
    403
    10.391
    3.839
    39.89
    38.78
    38.32
    10/1/2012
    451.3
    11.61
    3.879
    45.04
    38.87
    38.41
    10/5/2012
    405.4
    10.598
    3.899
    41.32
    38.25
    38.39

  6. #745
    Member joeyph's Avatar
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    Here's mine at fuelly. Best was 36.1 70 mph on hwy and included traveling through Houston.

    Vitamin C V (Hyundai Veloster) | Fuelly

  7. #746
    Member neogenesus's Avatar
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    My best avg MPG (city + highway) is 41.1 mpg. Here is mine at fuelly.

  8. #747
    Senior Member dianebrat's Avatar
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    Quote Originally Posted by victoriaveloster View Post
    I read about the first 6 pages of that thread and didn't get many actual answers of MPG's, let alone best MPG. It's more of just talking and determining how to calculate MPG. I'm just curious about what people have gotten as their best MPG however they want to calculate it. I think its a different question that deserves a different thread. Its easier for people to just post their results and see other's results without having to weave through 36 pages of unrelated dialogue.
    Actually that thread has pages and pages of people discussing their actual MPG numbers and what they are, and how they got them.

    If the answer is "it's too hard to read what folks wrote before I got here, I'll just start a new thread to make it easier on me" then that's the wrong answer in a forum.

    [mod tiara]
    Since this is the exact same discussion, consider them merged and this is now down in Engine and Transmission.
    [/mod tiara]
    off to the the dark side

  9. #748
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    Here's an interesting development:
    I've been getting 2-2.5 MPG higher on my readout than in my hand-calculation. I took my V in for oil the day the news broke of the MPG ratings. Got my car back and it seems software has been updated. Both my touchscreen readouts and my display readouts are much much lower. My highway MPG used to fluxuate between 38-45 on the readouts, now it's between 30-35. Haven't put a full tank through it to check the accuracy, but I used to get about 33-35 combined on the readout and right now I'm struggling to get over 30. Sigh....

  10. #749
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    Quote Originally Posted by HyundaiWorkingMan View Post
    either or works. the premium will give you less highway fuel economy since it ignites quicker but i tried regular, medium and premium and im getting basically the same for each except on the highway
    Actually, higher octane fuel ignites slower, or more correctly, is less prone to pre-ignition.

    Octane grade doesn't affect fuel economy or power output (unless you use too low of a grade for your engine, using higher than recommended does nothing). The one caveat with fuel grades comes down to the additives used by the gas stations. In some stations, higher grades of gas will use less ethanol and thus you will see an increase in mpg's, you'll have to investigate that from station to station. This isn't always the case though, as ethanol is a cheap octane booster. I think pretty much everywhere now uses 10% ethanol in the low grade fuel, but if you find somewhere that uses 0% ethanol in a higher grade, you can try that out and see if you notice a difference in mpg (and whether the price increase is offset by the fuel savings).
    BluMeanie likes this.

  11. #750
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    people need to take a physics class and forget about the best mpgs people have gotten. mpg is a function of factors like avg speed, engine rpm, terrain, temperature and the gas, etc. The fact is everyone's real world mpg is different due to these factors while in the real world you can't drive with a purpose to acheive the highest mpg. With all these considerations and my driving habit, averaging 78mph and 95% highway driving with 36K miles logged, this car gives me 35 go 36 mpg to be realistic, although the display will have me believe it can do 36 to 37mpg.
    Black/Black 6MT |07 BMW 328xi 6MT |03 Honda Accord EX V6.

  12. #751
    Senior Member toshko321's Avatar
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    Quote Originally Posted by malagabee View Post
    people need to take a physics class and forget about the best mpgs people have gotten. mpg is a function of factors like avg speed, engine rpm, terrain, temperature and the gas, etc. The fact is everyone's real world mpg is different due to these factors while in the real world you can't drive with a purpose to acheive the highest mpg. With all these considerations and my driving habit, averaging 78mph and 95% highway driving with 36K miles logged, this car gives me 35 go 36 mpg to be realistic, although the display will have me believe it can do 36 to 37mpg.
    Einstein over here...


    Sent from my iPhone using Autoguide.com Free App

  13. #752
    Senior Member trooplewis's Avatar
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    Just made an 800 mile round trip from San Diego to Phoenix and back, with a bit of shopping in the Scottsdale area thrown in.

    With two people in the car and averaging about 75mph, my mileage (with the A/C on) was a disappointing 32mpg.
    With the A/C off, it seemed to go up about 3mpg but since it was 90 degrees there, that was not a good option.
    Crap, I sold the 509hp Mustang on 9/22
    http://dreammustang.com/
    ~Oh well, still have the slow red one and the Veloster~

  14. #753
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    Quote Originally Posted by trooplewis View Post
    Just made an 800 mile round trip from San Diego to Phoenix and back, with a bit of shopping in the Scottsdale area thrown in.

    With two people in the car and averaging about 75mph, my mileage (with the A/C on) was a disappointing 32mpg.
    With the A/C off, it seemed to go up about 3mpg but since it was 90 degrees there, that was not a good option.
    How is that disappointing?

    1) A/C is on, and adds 3 MPG when you turn it off (by your own statement). It's your choice to stay cool in favor of gas mileage. Also, higher air temperatures cause the engine combustion cycle to be less efficient (though the oil flows more freely).

    2) I'm going to assume that when you say "averaging about 75mpg" that you mean cruising at 75 mph (a 75 mph average would mean you spent a good portion of time over 75, probably around 85 or 90). Note that the EPA tests are conducted at an average highway speed of 48.3 MPH, even the new "high speed" test has an average of 48.3 MPH, with a short burst up to 80 MPH. The high speed test is about 10 minutes long, of that only 45 seconds or so are spent above 70 MPH.

    Note that aerodynamic drag is the main force you're fighting against during highway trips, and it is proportional to the speed of your car squared. Power required to overcome aerodynamic drag is proportional to speed cubed!

    Lets do some math!
    The Veloster uses roughly 17.5 HP @ 50 mph, and 41.5 HP @ 75 mph. That is to say, to travel at 75 mph, you need to use 2.4 times more power than at the EPA test speed of 50 mph (41.5/17.5=2.37). *These HP values were calculated from an excel spreadsheet I found for EV performance evaluations.

    Since you are getting more "work done" while traveling at 75 mph than at 50, we need to cancel that out to highlight just the mpg losses. 75mph is 50% faster than 50mph (75-50)/50 = 0.5, so we will have to reduce our above power factor by half, 2.4*0.5 = 1.2.

    Lets take the EPA fuel economy at 50mph to be 39 mpg (dropped from 40 by the recent "scandal"). So if we reduce that number by our loss factor we get: 39/1.2 = 32.5 mpg @75 mph. BAM! Also remember that the EPA number supposedly accounts for A/C usage as well.



    You're getting the EPA estimated fuel economy, you just don't know it.
    Last edited by SpikeFiend; 11-10-2012 at 09:58 PM. Reason: Grammar.
    ghostndragon and BluMeanie like this.

  15. #754
    Senior Member BluMeanie's Avatar
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    Math calculations and Logic have NO place in such an emotional discussion. I am Reporting your post to the Entitlement Police....
    Gigi likes this.
    Parfois, on fait pas semblant!

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  16. #755
    Junior Member Reginhild's Avatar
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    Two fillups so far. Veloster Auto Base w/style & tech packages. 90% city driving with stoplights about every mile or two. Hilly driving primarily downhill going to work and uphill returning 15 miles each way. Driving light on the pedal with occasional moderate hard accelleration (once or twice per 15 miles). A/C off.

    Fillup #1: Trip computer 36.5 mpg, Calculated 35.5
    Fillup #2: Trip computer 36.2 mpg, Calculated 35.5

  17. #756
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    Second take I measured 29 us miles per gallon, 70% city 30% highway. I'm hoping for better as the engine breaks in. 4th tank of fuel half gone averaging 7.8l per 100klms

  18. #757
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    I bought my Veloster 10/20/12. I was in New Jersey when Sandy hit. I had no traffic and drove home on I-287 after the storm. 287 is smooth, flat and has concrete soundguards that are great at cutting down crosswind. I got about 38 per gallon, but could not get any more. I only had about 650 miles on the car at the time. Regular fuel, except during the gas shortage and all they had was premium.

    About a week later I get the news about the MPG adjustment. It's still great gas mileage compared to the 2006 Impala. I'll take their money too

  19. #758
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    You're lucky you didn't get stuck here for the aftermath for the gas shortage and ration lines. I drive 287 for 110 miles a day and I'm able to get more than 40mpg on the dash if I cruise around 65 but that's risky b/c people cut me off let and right at that speed. If you drive 75mph and above like normal commuters do, you'll never get close to 40

    Quote Originally Posted by Cedwards View Post
    I bought my Veloster 10/20/12. I was in New Jersey when Sandy hit. I had no traffic and drove home on I-287 after the storm. 287 is smooth, flat and has concrete soundguards that are great at cutting down crosswind. I got about 38 per gallon, but could not get any more. I only had about 650 miles on the car at the time. Regular fuel, except during the gas shortage and all they had was premium.

    About a week later I get the news about the MPG adjustment. It's still great gas mileage compared to the 2006 Impala. I'll take their money too
    Black/Black 6MT |07 BMW 328xi 6MT |03 Honda Accord EX V6.

  20. #759
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    Quote Originally Posted by malagabee View Post
    You're lucky you didn't get stuck here for the aftermath for the gas shortage and ration lines. I drive 287 for 110 miles a day and I'm able to get more than 40mpg on the dash if I cruise around 65 but that's risky b/c people cut me off let and right at that speed. If you drive 75mph and above like normal commuters do, you'll never get close to 40
    The rare saving grace for me (not so with others) was that Manhattan was shut down. I traveled from Gladstone, NJ to Newburgh, NY with almost no traffic. I stopped in Mahwah to top off my tank, and saw the first wave of panic with regards to the gas shortage. I just kept topping off when ever i could at 6AM to avoid the chaos. All of route 9 in Dutchess county, NY had no gas for quite a few days.

  21. #760
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    I work in Mahwah n they had multiple stations in Maleah with more supplies compared to central jersey


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    Black/Black 6MT |07 BMW 328xi 6MT |03 Honda Accord EX V6.

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