1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Warm Weather MPGs

Discussion in 'Prius c Fuel Economy' started by RocMills, Mar 21, 2013.

  1. F8L

    F8L Protecting Habitat & AG Lands

    Joined:
    Aug 14, 2006
    19,011
    4,081
    50
    Location:
    Grass Valley, CA.
    Vehicle:
    Other Non-Hybrid
    Model:
    N/A
    It's ok. Better to ask than not. :)

    In my picture it shows how much that trip cost in fuel ($2.26) and how many miles I traveled (62.4). I had programmed my car to remember gas costs $3.96/ga.

    The math:
    $2.26 / $3.95 = .572

    62.4 miles / .572 = 109mpg

    I'm going off of memory here but it works the same and I don't feel like digging around for my thread with all of the details. :)
     
  2. Rupert B Puppenstein

    Rupert B Puppenstein Active Member

    Joined:
    Dec 17, 2011
    261
    126
    0
    Location:
    North Carolina
    Vehicle:
    2011 Prius
    Model:
    Two
    I had my best tank so far this year due to the warm weather yesterday. 57.7...not exactly the most impressive MPG, but it just means that things can only get better. Right now, my car is saying that I am getting over 62 MPG, but this is just at the 100 mile mark for this tank and typically that gauge is at least 2 miles off. I have never looked more forward to traffic!
     
    steveoknievo and minkus like this.
  3. Big3Al

    Big3Al Junior Member

    Joined:
    Apr 28, 2013
    9
    1
    0
    Vehicle:
    2012 Prius c
    Model:
    Two
    .
    Perfect ! Thank you so much. Al
    .
     
  4. Uncle Sam

    Uncle Sam Member

    Joined:
    Apr 29, 2013
    53
    35
    0
    Vehicle:
    2012 Prius c
    Model:
    Three
    It has been fery cool here the last week with nights into high 30's. This is the 1st cool weather here since I bought the car. It is almost unbelievable how much the outside temp affects this car. Can anything really be done to offset this?
     
  5. MotorcycleGoat

    MotorcycleGoat Junior Member

    Joined:
    Jan 27, 2013
    51
    23
    0
    Vehicle:
    2012 Prius c
    Model:
    Four
    Some folks have blocked their grill with foam pipe insulation. Search the forum and you will see some pics and how-tos.
     
  6. minkus

    minkus Active Member

    Joined:
    Jan 4, 2013
    369
    125
    0
    Location:
    Cleveland, OH
    Vehicle:
    2012 Prius c
    Model:
    Two
    As Motorcyclegoat said, grill blocking is the only major thing you can do besides wait for warmer weather. I'd also check tire pressure and inflate closer to the tire's max (51 psi) than to the manual's recommended (35) - I have mine at 48 (f)/46 (r)-ish. Where do you live, btw?

    Relevant posts:
    I used 3/4 in. foam pipe insulation. Two 6-ft pieces did the trick, about $3 total including tax. Cut with regular scissors into 4 pieces that fit across the grille, with notches cut halfway through to fit around the grill's vertical supports. One piece goes on top grill opening (with about 1/4" left on top and bottom to vent), and up to three on bottom that'll make a tight seal. I can post pictures if you want.

    How much you block is up to you, because there don't seem to be definitive answers. People recommend things in the above threads, but the best way would be to get a scangauge/the torque app and monitor the temps yourself, and set alarms if they get too high.
     
  7. Uncle Sam

    Uncle Sam Member

    Joined:
    Apr 29, 2013
    53
    35
    0
    Vehicle:
    2012 Prius c
    Model:
    Three
    Thanks for the info. I live in SW Virginia , " Bristol Va". As you can probably guess from my tag it is in Coal country. my typing stinks! Prius 6.JPG
     
  8. minkus

    minkus Active Member

    Joined:
    Jan 4, 2013
    369
    125
    0
    Location:
    Cleveland, OH
    Vehicle:
    2012 Prius c
    Model:
    Two
    Looks like your weather is somehow worse then Cleveland's at the moment. I'm guessing the mountains have something to do with that? Our temps look fairly similar (within about 10 degrees), but I haven't been driving at night. From January 3rd when I got my c until the end of March, I was getting about 45 mpg. Since then, I've been getting around 56.
     
  9. james cook

    james cook Member

    Joined:
    Aug 26, 2012
    145
    36
    0
    Location:
    Louisiana
    Vehicle:
    2012 Prius c
    Model:
    Two
    slowly getting back to 50 MPG (90% highway driving).

    WInter in the north is no joke.
     
    minkus likes this.
  10. minkus

    minkus Active Member

    Joined:
    Jan 4, 2013
    369
    125
    0
    Location:
    Cleveland, OH
    Vehicle:
    2012 Prius c
    Model:
    Two
    I love your fuelly comments:
    "cold" "still cold" "it was cold"
     
    ChinchillaGirl, ztanos and RocMills like this.
  11. Ken Scheinker

    Ken Scheinker Junior Member

    Joined:
    Nov 11, 2012
    21
    6
    0
    Vehicle:
    2012 Prius c
    Model:
    IV
    I'm seeing better mileage in warmer weather, not sure if its the summer grade fuel being sold, tires with more pressure cause they're warmer and have better traction, the battery charging faster, whatever, it's working nicely.
     
    minkus likes this.
  12. AEROENGR

    AEROENGR Junior Member

    Joined:
    Apr 16, 2011
    57
    19
    2
    Location:
    Connecticut
    Vehicle:
    2011 Prius
    Model:
    Two
    First fill-up on my Prius C2. Tank was filled (?) by dealer when car was delivered and I reset Trip A right after leaving the dealership. Refueled today (E10) with 541.0 miles and 66.8 MPG indicated on Trip A. Car took 8.505 gallons at 2nd shutoff for actual 63.73 MPG. Warm temperatures and low-speed suburban driving. Assembly quality is outstanding - especially the "absolutely red" paint job. Car handles well, too. Also own a 2011 liftback.
     
  13. Juan Arango

    Juan Arango Junior Member

    Joined:
    May 20, 2013
    15
    4
    0
    Location:
    Houston, TX
    Vehicle:
    2013 Prius c
    Model:
    Four
     
  14. ztanos

    ztanos All-around Geek!

    Joined:
    Jan 10, 2013
    3,339
    1,150
    40
    Location:
    Cumming, Georgia
    Vehicle:
    2012 Prius c
    Model:
    Four
    Slow down to 65 and you'll get over 50. :)