What mileage you getting with temps under 30 degrees ?

[gid]

we just did a fill of 7.74 gallons and traveled 250.2 miles ( 3 bars left ) and the average was 32.32 m.p.g. for the '08 automatic sedan with 4 studded tires . The average temp has been around 20 . This includes couple days of snowy / slushy roads , very windy days , and some city driving . I believe the 5 speed manual Liftback is going t to get the same as the auto sedan or 33.62 miles to the gallon . Should be filling it sometime this weekend to see if prediction is correct .

[50MPGDream]

tonight's drive home was 7*F and had a 10 MPH head/crosswind I only got 38.4 MPG according to the SGII (I've gotten upwards of 50 MPG on the same segment with calm winds and 70*)

[slvryaris]

About 36 or so. Same as any other time.

[BailOut]

Since I install an engine grille block each winter I do not notice any more mileage hits on the coldest days versus the average days. I still feel the overall hit of winter fuel and slower trips over the mountain due to snow and ice, though.

I generally go from averaging 47 MPG in the summer to 44 in the winter.

[1stToyota]

Not doing anything special but I'm down from my summer average of 43-44mpg to 39-40mpg

[50MPGDream]

Since I install an engine grille block each winter I do not notice any more mileage hits on the coldest days versus the average days. I still feel the overall hit of winter fuel and slower trips over the mountain due to snow and ice, though.

I generally go from averaging 47 MPG in the summer to 44 in the winter.
I wonder if the fuel maps in the automatics are different than the manual cars, I also have a full grill block and any time when the temp dips to below 20*F it seems to really kill my MPG. (my 20% drop in the winter as opposed to your 7%)

The water temp is still staying in the 184-188 range, but it seems at any given RPM I'm sucking more gas, the only difference I can attribute this to is the intake air temp

anyone else have any thoughts???

[otterhere]

32 mpg; worse than usual (36). There's something wrong with 50MPGDream's odometer.

[voodoo22]

I wonder if the fuel maps in the automatics are different than the manual cars, I also have a full grill block and any time when the temp dips to below 20*F it seems to really kill my MPG. (my 20% drop in the winter as opposed to your 7%)

The water temp is still staying in the 184-188 range, but it seems at any given RPM I'm sucking more gas, the only difference I can attribute this to is the intake air temp

anyone else have any thoughts???

I don't know if your issues have to do with driving an AT.

I have no grill block, an AT and am seeing a hit of 9% max so far.

[AlexNet0]

today I drove around 200 miles, (not much for evaluating MPG, but it gives me an idea)
I got 29 MPG vs the constant 40-45 I got in the summer, it was between -1 and +5 degrees Fahrenheit.

[gid]

2 of the last 3 posts sound more realistic , the '06 XB we had would get as low as 29 m.p.g. in frigid temps . The '07 PRIUS would drop to 38 m.p.g. in extreme temps . Find it hard to believe 38 + miles to the gallon in a YARIS in these conditions .

[Rich k]

i'm getting 43-44 mpg just driving the stock manual in the winter, can't wait for spring summer and my consistant 49.9XXmpg tanks. I'll break 50 if i ever get a week without traffic going to work or can get a tankfull that doesn't have 10% ethanol.

[brainless twit]

I just drove out a tank going across the state and back, and I got about 33 mpg all highway. The tank before that was right at 40 mpg in the city.

[talnlnky]

well, i saw temps in the summer of high 80's... and now temps are in the 30-40range... with a dip into the 20's last month.

Summer 70+ temps I would get 43mpg in normal driving w/ 32psi... in 30-40F I get 39mpg normal driving w/44psi.

Would hate to see what my millage would be like at 32psi in this climate. Looking forward to summer, I came withing .25mpg of 45 last year (with 32psi)... I WILL break 45 this year.


Weird thing is... Last winter I was in the sub 30's ever day, got as low as single digits even.... 93" of snow... yet I remember my millage being 36mpg. Could be the difference in Oregon & Washington gas tho.

[1stToyota]

2 of the last 3 posts sound more realistic , the '06 XB we had would get as low as 29 m.p.g. in frigid temps . The '07 PRIUS would drop to 38 m.p.g. in extreme temps . Find it hard to believe 38 + miles to the gallon in a YARIS in these conditions .

Believe it. Could be the way people drive and not just the car and the weather. It's been getting down in the teens, so it's cold here, and soon to get colder...and gets near 100 in the summer. Those are my mpg figures and they don't vary 1/2 mpg or so from what I stated.

[otterhere]

If it weren't so cold out that it would freeze my digits off to try it, I'd put more air in my tires; I'm sure mine are way too low, and that would improve my mileage. Oh for the days when garage people would do this for you...

:frown:

[thebarber]

last winter i averaged about 34mpg mostly city driving (temps out here get down below 0F fairly regularly). i have a 5 speed, but i also let the car warm up by idling

[1stToyota]

If it weren't so cold out that it would freeze my digits off to try it, I'd put more air in my tires; I'm sure mine are way too low, and that would improve my mileage. Oh for the days when garage people would do this for you...

:frown:

Yeah, back in the good old days when gas stations sold tires and batteries instead of bread and eggs. :eek:

[landrym28]

I'm at around 29-31mpg in the winter, but it's pretty much that way every other winter. Good thing gas is cheaper now.

[gid]

Yeah, back in the good old days when gas stations sold tires and batteries instead of bread and eggs. :eek: :rolleyes: .

[otterhere]

Yeah, back in the good old days when gas stations sold tires and batteries instead of bread and eggs. :eek:

Your gas station sells bread and eggs? Mine sells money orders and lotto tickets.

:help:

[gid]

filled '08 5 spped manual Liftback with 9.41 gallons of SUNOCO 89 at 332.5 miles ( 2 bars left ) and got 35.3 miles per gallon . The average temp was 20 , many hills , all season tires , 2 people (90% of time ) , 38% City /62% Hwy.. Better than the 33.62 m.p.g. I predicted :thumbsup: .

[UTVitz]

This thing has not been as bothered by the cold temps as my Jeeps which drop 5+ mpg in the winter-must be the cold fluids in the differentials/transfer case and bigger transmissions that make the difference. I'm hanging in at 39-42 depending on if that tank was mostly freeway or city driving.

[firemachine69]

25mpg. :eek:


Average temperature was -28C, and I was over at a friend's most every night, so no block heater usage. It really is a 5K screamer when it's cold!

[metalshark]

I wonder if the fuel maps in the automatics are different than the manual cars, I also have a full grill block and any time when the temp dips to below 20*F it seems to really kill my MPG. (my 20% drop in the winter as opposed to your 7%)

The water temp is still staying in the 184-188 range, but it seems at any given RPM I'm sucking more gas, the only difference I can attribute this to is the intake air temp

anyone else have any thoughts???I'm thinking the ATF gets cooled off a lot more than the grease in a MT and has a resultant higher mean winter viscosity.

[Forrest]

Yeah, back in the good old days when gas stations sold tires and batteries instead of bread and eggs. :eek:

I remember.....they used to wash your windshield and check your oil while car was fueling. Could always get a flat tire fixed fast and local mechanic did not have all sorts of electronics to deal with.

[daf62757]

Although my Yaris is new....and shiny.....I have been getting around 34 MPG in mixed driving. Here in Indianapolis, the temps have been below 30 degees with a couple of days in the singe to minus digits.

[REM]

Last time I filled up I got 33 mpg, and that was with a lot of idling and spinning of tires (I got stuck).

[marcus]

i have to try covering the grill.. summer im doing 6.42 li/100km winter my average is about 7.1 li/100 km..

[otterhere]

Another thing... Had two bars left when I put it to bed last night; this morning, after warming it up/thawing out the windshield for five minutes, it was FLASHING rapidly to refill (skipped the slow flash entirely). I raced over to the pump, where it took under 10 gallons, giving me the usual 32 mpg for this tank. When does yours start to flash???

[marcus]

that will happen once every now and then.. for 2 years that happen once..

the last bar should give u 6.2 liters.. i think itll flash faster once ur on the last 3 liters.

[CtrlAltDefeat]

I'm curious what octane you guys are using... I've been putting premium in mine, because the difference in a 10 gallon tank is only about $2-$3 extra per fill up and in our yari, that's not that often... Seems to have better pickup and mileage. What do you guys think?

[Woody_Woodchuck]

First few months with mine so I do not have any previous winter numbers to compare to.

Warm weather I hit a few 45 mpg tanks, the average with my 6,500 miles is ~43.5 mpg. Winter mornings here we have temps in the teens, many 20’s and the overall average right now is 29. Afternoons usually into the 30’s or 40’s with many 50 degree highs. I have a full upper grille block that stays on until 55 F. I don’t really seem to be losing much mileage, maybe 1 or 2 mpg per tank. Current tank, which has been our coldest weather so far, is sitting at 43.1. I did have one bad commute with an accident on a long uphill that I have been slowly trying to recover from.

I am working hard for this mileage! I’m working harder with the cold weather so maybe this is why the difference is small. I’m hoping that I stumbled on a technique to get me 44 mpg in the winter and this will give me closer to 50 mpg in warm weather. I’m chasing Voodoo22’s consecutive 50 mpg tank record. :biggrin: Watch your back Voodoo22… I’m coming after that record! :evil:

[BailOut]

I'm curious what octane you guys are using... I've been putting premium in mine, because the difference in a 10 gallon tank is only about $2-$3 extra per fill up and in our yari, that's not that often... Seems to have better pickup and mileage. What do you guys think?

That is a topic that has been hashed out thoroughly but the data was lost in the hack. The findings were consistent, though:

If you drive it like you stole it you will see a slight increase in MPG with higher octane fuel but if you drive lighter or are a hypermiler you will see a large decrease in MPG with higher octane fuel.

[jambo101]

In full summer set up i was getting close to 800 kilometers per tank,now with winter tires,and winter formulated gas and only city driving i'm lucky to get 400kms,as for using higher octane gas in a car meant for regular gas?an absurd waste of money.

[marcus]

In full summer set up i was getting close to 800 kilometers per tank,now with winter tires,and winter formulated gas and only city driving i'm lucky to get 400kms,as for using higher octane gas in a car meant for regular gas?an absurd waste of money.

ok i dont get how ur losing half of ur mpg... i guess im not doing too bad with 500km on a 36 liters./ 7 bars this winter 60/40 cty/hwy.

[jambo101]

I might be able to get it up to 500kms but that would be getting into the flashing last bar for sure.

[1stToyota]

I'm curious what octane you guys are using... I've been putting premium in mine, because the difference in a 10 gallon tank is only about $2-$3 extra per fill up and in our yari, that's not that often... Seems to have better pickup and mileage. What do you guys think?


Don't use premium unless the vehicle's computer was tuned to run *Premium fuel only* at the factory.

[kou]

Don't use premium unless the vehicle's computer was tuned to run *Premium fuel only* at the factory.

your computer will adjust the timing as close to pre dentanation as it can with the fuel you have in the car.test have proven the fact that any car will produce less power with regular than with premium.

[marcus]

o o....

[50MPGDream]

test have proven the fact that any car will produce less power with regular than with premium.

who did this "test"? I'd be interested in seeing it

[CtrlAltDefeat]

Yea, me too... My informal tests (I.E. how it feels to drive and mileage per tank) seem to show better power and mpg...

[1stToyota]

your computer will adjust the timing as close to pre dentanation as it can with the fuel you have in the car.test have proven the fact that any car will produce less power with regular than with premium.

It's a proven fact that Ford TSB's had to be released because they figured out that long cranking times during startup was because owners used premium in cars designed to burn 87 octane. Talking about effecency, not power.

[kou]

It's a proven fact that Ford TSB's had to be released because they figured out that long cranking times during startup was because owners used premium in cars designed to burn 87 octane. Talking about effecency, not power.

what does ford have to do with anything.

[kou]

if you have upgraded your car with performance parts and drive like you stole you will get pinging at higher rpm's and full throttle with 87 octane.if you drive like a grandma and your car does'nt get past 3500rpms use 87 octane all you want.toyota recommend 87 octane yes, but with a high compression motor and high rpms i would not use it. even the smart car recommends premium knowing you will get pinging with regular.

[BLAZINBLUEVITZ]

Don't use premium unless the vehicle's computer was tuned to run *Premium fuel only* at the factory.:laugh: first time i heard that one......

if you have upgraded your car with performance parts and drive like you stole you will get pinging at higher rpm's and full throttle with 87 octane.if you drive like a grandma and your car does'nt get past 3500rpms use 87 octane all you want.toyota recommend 87 octane yes, but with a high compression motor and high rpms i would not use it. so what happens when using premium fuel and you drive it like you stole it......

[1stToyota]

if you have upgraded your car with performance parts and drive like you stole you will get pinging at higher rpm's and full throttle with 87 octane.if you drive like a grandma and your car does'nt get past 3500rpms use 87 octane all you want.toyota recommend 87 octane yes, but with a high compression motor and high rpms i would not use it.

A modded car and a stock setup are different.

[1stToyota]

:laugh: first time i heard that one......



Learn something new everyday. :rolleyes:

[kou]

the car will not have to retard the timing with premium letting you rev safely with no pinging and all of the power the motor can make.

[kou]

anyway i get an average 35mpg in the winter.

[1stToyota]

what does ford have to do with anything.

Yeah, I forgot that Ford builds cars that have ignition systems, internal combustion motors, A/F ratios, burntimes, etc, that are exactly opposite of how every other automaker builds their cars now. :wink:

[1stToyota]

the car will not have to retard the timing with premium letting you rev safely with no pinging and all of the power the motor can make.

You're still talking performance results and driving fast for a modded vehicle on a thread that is about fuel economy?

[BLAZINBLUEVITZ]

Learn something new everyday. :rolleyes:

:laugh: yeah didn't know i can option my car to run "PREMIUM FUEL ONLY" from the factory. i wonder how much more that would have added to my payments......

[1stToyota]

:laugh: yeah didn't know i can option my car to run "PREMIUM FUEL ONLY" from the factory. i wonder how much more that would have added to my payments......

So sorry that my original statement zoomed over your head.

"Don't use premium unless the vehicle's computer was tuned to run *Premium fuel only* at the factory."

Was talking about cars like my old '05 GTO, expensive SUVs, SC'd Cobras, other SVT vehicles, etc... that came from the factory with *Premium fuel only* tunes.

[BLAZINBLUEVITZ]

So sorry that my original statement zoomed over your head.

"Don't use premium unless the vehicle's computer was tuned to run *Premium fuel only* at the factory."

Was talking about cars like my old '05 GTO, expensive SUVs, SC'd Cobras, other SVT vehicles, etc... that came from the factory with *Premium fuel only* tunes.

:iono: zoomed over not really, just trying to figure out why you like to compare a 4 cylinder to your v8 knowledge. its all good though......

[1stToyota]

:iono: zoomed over not really, just trying to figure out why you like to compare a 4 cylinder to your v8 knowledge. its all good though......

Can't begin to guess what you're getting at or going on about. My original reply was to the guy that wanted to know about using premium or not in his Yaris, so I said use the 87 octane and save the premium for the vehicles that are tuned at the factory to run premium because their vehicles require it, our owners manual states 87 octane, not premium fuel required. Peace.

[SeaYa]

'08 Sedan 5spd man I was getting 42/47 in the summer. Now in Michigan 0-15F for 2 months, I am getting 35/43, so obviously, a much bigger hit when I make short trips (4-10 minutes) since the engine doesn't warm up as much, but still good on my long highway trips (4-6 hr travel times).