Warm Weather MPGs

I need to start grill blocking. Well, in September. I live in the south and it should stay above 70's now.

I am getting at least 60mpg these days, now that the temperature is above 70. I am aiming for that magical 65mpg - 70mpg I keep hearing you guys talk about. I only hit 67mpg once going to work (13 mile or 18 mile commute, depending on which way I take).

 

Yep...since it's warming up again and forecast to be in the 80's for a few days (might even hit 90 this weekend...gasp!), I will likely unblock my top grill. I keep my 'c' in the garage so even though night-time temps still dip into the 50's and 60's, the garage temp is warm enough now, so the ICE doesn't run for very long in the morning when I leave for work. This morning, I managed 70.7 MPG on the way in and 57.7 MPG on the way back...63.3 MPG round-trip average, which is better than what I normally get.

 

So much better lately! The outside temps around here are now I'm the 60s and I'm easily averaging mid 50s now. Even on the freeway.

 

Yep, good to see the instant mpg on my ScanGauge up 10 mpg.
Dan

 

Please tell me how to manually calculate MPG over 99.9 MPG. Thanks, Al

 

^ Divide your distance travelled since last fill up by the gallons required to fill.

 

Hi Big3Al...to figure out what your true MPG is for those high MPG trips, you'll need to note the mileage and MPG at the start of the trip, as well as the ending mileage and MPG, by using one of the trip meters (A or B) to track tank mileage and MPG. Say for example, Trip A shows 100 mi and 60 MPG in the morning before my drive into work. I drive 10 mi and once I get there, I note Trip A now shows 110 mi and 70 MPG, but the current trip MPG shows 99.9 MPG (this is what is displayed next to the odometer and when the car is turned off). To get the true MPG for that 10 mi trip into work, I divide the 10 mi I drove by the difference of the mileage/MPG reported by Trip A at start of trip from the mileage/MPG reported by Trip A at the end of the trip...10 mi/(100 mi/60 MPG)-(110 mi/70 MPG) = 105 MPG.

 

Hi MoarMPGplz,
Thanks for the quick reply. I'll see if I can make it work for me. Thanks again. Al

 

Banish him and preserve your record!

 

Yea, but really 47 MPGs driving at 70? That's pretty awesome .

 

What is an ultra gauge?

 

UltraGauge Automotive Information Center and OBDII Scan Tool

 

If the c has a trip summary screen like the 2012-2013 Prius does then you can use the fuel cost along with the miles driven to come out with a mpg estimate. If the c doesn't offer this then I apologize.

In the example picture below, I was able to estimate my mpg at 109mpg because I knew what I had entered for average fuel cost in my setup screen. If the c has a similar summary screen you can perform the same calculations to determine mpg over 99.9.

 

So how is the Ultra gauge installed. The web site gives no information on this.

 

UltraGauge FAQ
2nd one: "What's involved in installing UltraGauge?"

There are alternatives that can be cheaper or more expensive: Prius OBDII Third-Party Apps | PriusChat
Plus the Scangauge, which is the most expensive. Cheapest is an Android device you already own + a $15 OBDII bluetooth adapter from Amazon/Ebay + the Torque app (free version, $5 for the much nicer pro version). Custom stats unique to the Prius C can be added to it: Prius C Custom PIDs | PriusChat

 

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Please give me your formula for the above calculation. The C has a similar display.
Thanks, Al
.

 

If I remember correctly it is:

Trip Fuel cost / price per gallon = gallons used

Miles driven / gallons used = mpg

This assumes you know what you input for price per gallon on your display set up.

 

Given: fuel cost, miles driven
Want: mpg
(all are "from start")

Gallons used = fuel cost/price of gas you have set
mpg = miles driven / gallons used.

F8L beat me to it

 

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I guess I'm having a "Senior Moment", could you please give me the actual numbers you used in your calculation. Thanks again, Al
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