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Anyone getting better mileage in the city verses the freeway?

Discussion in 'Gen 2 Prius Fuel Economy' started by Robert564, Jul 10, 2006.

  1. Robert564

    Robert564 New Member

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    I only ask because of the 800 total miles I’ve put on my car it gets way better mileage on the freeway (about 48mpg) verses my daily commute on city streets of 6 miles (35 mpg). This is not what Toyota advertises. I was hoping to get better mileage in the city. Granted it’s been above 90 degrees most days lately, and the air conditioner is working full time, but it was also working full time on a recent 100 mile freeway trip.
    Any thoughts?
    Robert
     
  2. aaf709

    aaf709 Ravenpaw of ThunderClan

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    I generally do better on the freeway, especially when the Cruise Control is on.
     
  3. Porridge

    Porridge New Member

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    <div class='quotetop'>QUOTE(Robert564 @ Jul 10 2006, 11:55 AM) [snapback]283842[/snapback]</div>
    Answer to the left.
     
  4. Tideland Prius

    Tideland Prius Moderator of the North
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    I get better city than highway, I think. Most of my driving is city driving. My last tank was a record tank at 840.7kms and 4.2L/100km (56mpg). Last year, I took a trip down I-5 at 70mph with 4 people on board + luggage and my average for the entire 400+km trip was 5.1L/100km (46mpg).
     
  5. berylrb

    berylrb Member

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    If you are talking Berkeley, East of the 580, or Richmond to Hercules, yep those numbers sound right. Let's see lots of hills stop signs and stoplights right? Temperatures around 80-90?

    Do a search for short commutes and you'll see this is pretty typical for our Bay Area driving. Although my experience has been that Metro San Jose is quite different, longer stretches in between signs/lights and fewer drastic hills.
     
  6. brandon

    brandon Member

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    Eh, my MPG is about the same in-town and on the highway, but most of my in-town trips are short. Averaging right around 50 MPG this summer.
     
  7. tomdeimos

    tomdeimos New Member

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    Generally for summertime I count on highway driving being over 50 mpg and often over 55 mpg.
    For city type driving ie under 40 mph, I generally get over 70 mpg.
    Exceptions to both are traffic jams with constant stops and starts, or short trips under 10 miles.
     
  8. tomdeimos

    tomdeimos New Member

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    Generally for summertime I count on highway driving being over 50 mpg and often over 55 mpg.
    For city type driving ie under 40 mph, I generally get over 70 mpg.
    Exceptions to both are traffic jams with constant stops and starts, or short trips under 10 miles.
     
  9. TJandGENESIS

    TJandGENESIS Are We Having Fun Yet?

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    I get far better in the city. However, I notice that the warmer it gets, the worse it is. But it's still far better then most cars.
     
  10. troe

    troe New Member

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    <div class='quotetop'>QUOTE(Robert564 @ Jul 10 2006, 10:55 AM) [snapback]283842[/snapback]</div>

    I get about EPA number for both. I do most of my driving in the city, a 30 min + commute each way, and my last tank was 61 MPG. On a long trip to atlanta, (300 Mi) I averaged 49 MPG. 46 on cruise control averaging about 75 with AC on and 51 with cruise off pulsing and gliding a lot. Your in-town milage is so low because of your short commute. Short trips will kill your milage.

    [​IMG]
     
  11. kDB

    kDB New Member

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    i get about 51 on highway, and at least 65 city, too bad most of my driving is highway. but then again, i don't drive city when it's rush hour. mostly i'm almost alone on 4 lane roads, which lets me drive how i want.

    oh, these are summer numbers. you can check my milage in sig, but i'm just now starting to get the higher numbers.
     
  12. efusco

    efusco Moderator Emeritus
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    This is one of those questions that requires a better definition of the driving conditions.

    If your "freeway" driving is actually suburban highways that average 55mph and your "city" is high congestion, stop and go inner city driving, then it is quite reasonable to see higher 'freeway' numbers.

    OTOH, if your "freeway" is 75mph open interstate and your 'city' is suburban 35-45mph roads with well times traffic signals and where you can go 1/2-2 miles at a time b/w stops then your 'city' numbers are going to be far better than your 'freeway'.

    And this doesn't even consider AC use...it has a much bigger impact on city driving since the amount of energy used for AC vs the distance traveled is much higher.
     
  13. Jeannie

    Jeannie Proud Prius Granny

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    I've only taken one 'long trip' so far. My daily driving is short trips, so I'm averaging about 48 MPG 'city'. I got about the same on most of a 500 mile round trip over the 4th of July weekend, driving around 70 MPH. But my last stop on the way home, to get gas about 50 miles from my house, took me back onto the highway where the speed limit went down to 55 while going through a large town. It was a pleasant evening, the road wasn't crowded and I wasn't in a big hurry to get home, so I left the CC at 55, and got about 57 MPG on that 50 mile stretch.

    I'm sure that if I had to commute on the Interstate on a regular basis, I wouldn't have the luxury of going only 55! As it is, I take back roads to and from work, and I routinely get passed when I'm going the 40 MPH limit on a two lane road with double yellow lines, and I almost always catch up to them at a red light about a mile down the road.
     
  14. PriusRos

    PriusRos A Fairly Senior Member - 2016 Prius Owner

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    I do worse in the city than on the highway, mainly because my city (actually, more like suburban) trips are usually quite short and involve a lot of stop and go, as well as little hills. My really short commutes to the Metro station are real killers (usually get around 34 mpg) during when I take Metro.

    Aside from the short trips, I also don't really understand why it's supposed to do much better in the city than on the highway. Everytime one has to come to a stop at a stopsign or red light, it takes gas to get it going again. I've generally been getting under 40 for city driving and close to 50 for highway.
     
  15. hdrygas

    hdrygas New Member

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    <div class='quotetop'>QUOTE(efusco @ Jul 10 2006, 01:36 PM) [snapback]284040[/snapback]</div>
    I guess that I would chime in right about here. It depends. For me highway is 65 or better or get run over. City is 25-35 and that is optimal. It depends on driving conditions. My worse tank in the past 3 months was one I did going up and down I-5. I was suffering. Get me back to the city streets.
     
  16. ginostef

    ginostef New Member

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    <div class='quotetop'>QUOTE(hdrygas @ Jul 10 2006, 10:58 PM) [snapback]284242[/snapback]</div>
    I commute to work along I95 HOV in Northern Virginia, and routinely move along at 65-75mph. That's the majority of my mileage and I was getting around 50-52. That is until I got the car (mis) aligned by a dealer, and I had the ECU reflashed. Then it dropped to 38, and much better over the highway then local. Usually summer is my highest mileage, even with the VA heat, approaching 55mpg over the hwy and 47 around town. It is relatively flat here, with low rolling hills. As the computer memory relearns the fuel map, I am hoping the mpg recovers to it's former happy 50 numbers. Right now I am only getting an average of 42. (See my other post on dramatic mpg drop). The AC makes a difference, but not as large as the ICE trying to heat this puppy in the winter! Since I am on Ethanol 10% year round, that has never been a factor. Long story short - I can't do 55 to work - I'd get run over by the trucks, and I do get better mpg over the hwy vice around town. Used to be the reverse before the reflash. Go figure.....
     
  17. galaxee

    galaxee mostly benevolent

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    i do worse on the highway, but my city trips are pretty good sized (10+ miles at a time most of the time) and i drive too fast on the highway :lol:
     
  18. Robert564

    Robert564 New Member

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    Looking over the replies to the original question I can see our little car is very susceptible to outside influences affecting the MPG.
    My other car (‘06 RAV4 – V6) plugs along at 25MPG, not caring if I drive alone, have 3 passengers, drive in the city or down the freeway. The MPG stays pretty much the same, and most members of the RAV4 forum get the same results. With the Prius the numbers are all over the place. Let’s face it; we are all driving the same car, so how can there be such a large difference in MPG? Most of us are getting way less mileage in the city, but Toyota/EPA says we should be getting better mileage in the city. Looking at my gauges while driving in the city (city = 50,000+ population with the usual traffic associated with a city that large), I can see there is no way I’ll ever come close to the 61MPG advertised. At every stop the ICE comes on till I get to the speed limit, then it bounces between the two drives, but mostly ICE. Maybe my Prius is just too new, and down the road I’ll start seeing a change.
    Sorry for my ranting, I still enjoy driving my Prius much more than my RAV.
    Later
    Robert
     
  19. jtullos

    jtullos New Member

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    I'll put in also that when I lived closer to work (approx. 1.5 miles instead of 15 miles), the Prius was down around 42 MPG average, with the driving being 25 mph residential for the most part. As long as conditions allowed it, I tried to bike in to work, since it took only about 5 minutes longer, used no gas, and was less stressful.

    Now, with a 15 mile commute, doing my own oil changes, having learned how to drive more efficiently, etc., I'm getting around 56 MPG on average. This tank so far is doing better. The reading was sitting at ~66 MPG when I got in to work this morning. It's usually high though when I get home after filling up due to the net drop in elevation going home.
     
  20. berylrb

    berylrb Member

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    <div class='quotetop'>QUOTE(Robert564 @ Jul 11 2006, 12:19 PM) [snapback]284488[/snapback]</div>
    What do we mean by city? I think our numbers are all over the place because we have, obviously, differnt cities we're referring to.

    I think as efusco suggests to answer this question one needs a "better definition of driving conditions" I would go the next step and classify what exactly one means by city driving.

    I think your definition is a good start but it would be interesting to have some specifc demographical markers in mind and then corrolate mpg to the 'type' of city. For instance,
    San Francisco is: pop. 770,000 (yeah right! feels like 1 million), 46 sq. miles = dense, hilly, many stops, narrow streets, short commutes.
    Pasadena is: pop. 250,000, 23 sq. miles = dense, some hills, few stops, wide streets, moderate commutes

    There are other markers but the point being, obviously, one can't compare city driving between these two cities. So what city did Toyota have in mind? <_<