Fuel Economy

[Jem_hadar]

Just filled up yesterday. I got 25 MPG (US) on my last tank.

This tank had absolutely no hwy driving, it was all in-town driving over a 2 week period.

Wow, Im kinda shocked at how weak that last tank was... I wonder if its largely due to cold weather and lots of snow we have recently received?

(I guess usually even with hwy driving clicks on my tanks (often 1/2 or 2/3rds of it) I'm only getting around 29-31 MPG (US) so I shouldnt really be surprised I got 25 on in-town only?)

Jem

[swng]

Originally Posted by Jem_hadar

Just filled up yesterday. I got 25 MPG (US) on my last tank.

This tank had absolutely no hwy driving, it was all in-town driving over a 2 week period.

Wow, Im kinda shocked at how weak that last tank was... I wonder if its largely due to cold weather and lots of snow we have recently received?

(I guess usually even with hwy driving clicks on my tanks (often 1/2 or 2/3rds of it) I'm only getting around 29-31 MPG (US) so I shouldnt really be surprised I got 25 on in-town only?)

Jem

Your numbers are still way better than those produced with some less fuel efficient cars.
I am just curious. Do you drive short trips very often Jem?

[Jem_hadar]

Originally Posted by swng

Your numbers are still way better than those produced with some less fuel efficient cars.
I am just curious. Do you drive short trips very often Jem?

Around town? Yes. From home to work, 5-7 mins. Out for lunch, another 5 mins there and back. Home from work.
Then maybe go out to get dinner or a movie.
So in town, yes all very short trips.

But since the summer, I've been traveling to Toronto a lot, about 200 km down the 400 or 404.

To Toronto and back will use something less than a full tank. I also speed on the 400-series highways though. My usually speed is 120km, but I'm often up around 140 or 150, which I figure is what contributes to my avg MPG (US) of about 29 on tanks that do include around 75% or more maybe highway driving.

That last tank where I got 25 MPG was purely small town driving, I'm pretty positive.

Originally Posted by fearturtle44

Yeah, 25MPG for in town driving is low for the Yaris. Snow and bad weather will definitely hurt the MPG. You might also ensure your tire pressure is correct. And only check when tires are cold and car has not been driven in 2-3 hours.

Kevin

I think I'll check after work to make sure my tires are still at the ideal 32 PSI I think it was. I'm sure, now that you mention it, that they've dropped, since last time I checked was approx a month or more ago, and we didnt have snow then and it was keeping around +5 - +10oC out, instead of the usual now of -20 - -5oC out.

Thx for reminding me to check my pressure w/ the temperatre/weather change.

Jem

[Jem_hadar]

Originally Posted by swng

Your numbers are still way better than those produced with some less fuel efficient cars.

Yeah, If I'd gotten the VW Rabbit as could have been a very real possibility if I'd been out when I was car shopping at the beg of May, I'm sure my efficiency would have been worse than the last 25MPG I got on my last tank.

[mutatio]

Originally Posted by Jem_hadar

Yeah, If I'd gotten the VW Rabbit as could have been a very real possibility if I'd been out when I was car shopping at the beg of May, I'm sure my efficiency would have been worse than the last 25MPG I got on my last tank.

yeh, my goal with getting the Yaris was to basically aim high with the fuel estimates. that way, assuming i got less i'd still be heads and shoulders beyond what i was getting in my old car. :)

[Jem_hadar]

Originally Posted by mutatio

yeh, my goal with getting the Yaris was to basically that way, assuming i got less i'd still be heads and shoulders beyond what i was getting in my old car. :)

or above in another car that you could have gotten instead...

bc, likely, even though you're getting less MPG with your Yaris than what was advertised, you'd also be getting less MPG with any other car too...

nevertheless, overall, your under-performing MPG in the Yaris should still be better than the under-performing MPG of another vehicle (eg. the Rabbit I could have bought, or your old car)

Jem

[Carvin'07]

I dunno, that still seems quite low to me. My last tank was 90% city, 90% pedal to the metal, winter tires. Stats below.

33.85 L
444.6 kms
7.613585245 L/100kms

8.931398417gal
277.875 miles
31.11214919 mpg (US)

[fearturtle44]

Yeah, 25MPG for in town driving is low for the Yaris. Snow and bad weather will definitely hurt the MPG. You might also ensure your tire pressure is correct. And only check when tires are cold and car has not been driven in 2-3 hours.

Kevin

[jgmulligan]

I'm getting about 37 MPG US on my Yaris 2d hatch standard transmission overall. Trip mileage has varied from 34 MPG to 40 MPG. Currently have 3,230 miles on odometer.

Jock

[Racer X-8]

yo there jg, what is that, an average from 8 fill-ups? That's very good, considering the cold-starting conditions. Being in Washington state, I'm assuming you've been getting some wintertime weather lately .

[swng]

This site can help perform various conversions between metric and imperial/statute units, e.g. liters to gallons and kilometers to miles and vice versa:

http://www.rockymountainmoggers.com/convert.html

The section about fuel consumption is very handy.

[Ah Yum]

My car's lifetime fuel-economy is 6.76 L / 100 km or 34.8 MPG. It's very hard to keep those figures looking somewhat decent in pure city driving. Here's my online log, in which you'll find notes on each tank.

I had another Yaris Sedan - but with the automatic - which yielded 8.01 L / 100 km or 29.3 MPG over the course of six tanks without the mindset for fuel economy. Here's the log to that car.

[swng]

Thanks for the information Jem! Short trips and any speed above 90 km/hr (+/- something, depending on the type of car) tend to hurt fuel economy a lot, as you obviously already know.
However, I am confident that once you become conscious about fuel economy, you will find/develop ways to improve it.
So, best wishes! Please do post your progress here often.

[spkrman]

31mpg on my last tank... cold start/idling/mildly agressive 50% city driving with the other half spent 70-90 on the highway.

for my driving habits and the conditions, very very happy :)

[Typer73]

My last tank only yielded 31 mpg--worst yet--with trips of 12 miles or less & idling the engine while scraping ice off of that HUGE windshield & both front side windows (and I drive like a maniac on crack).

[mutatio]

31mpg on my first tank with a lot of stop and go city driving and multiple engine starts and stops each day (i drive for my job). maybe 20% highway. i've been eyeballing the tach a bit more on this tank trying to keep it under 3000rpm, 4000 max. the 1st tank got me ~180 miles at the half way mark and right now i'm at 212 miles at the halfway and still doing mostly city driving for the break in period. very nice!

[nsmitchell]

I filled up the other day. 27MPG. It has gotten colder and it was all city driving.

[swng]

Here are the results of my latest tank:

Fuel Cost (Canadian Dollars)
$33.91

Distance travelled
553.7 km
344.07 miles

Fuel Amount
38.8 litres
10.25 US gallons
8.53 Imperial gallons
Cost of Fuel
$0.87 per litre
$3.31 per US gallon
$3.97 per Imperial gallon

Fuel Economy
7.01
litres per 100 km
33.56
miles per US gallon
40.31
miles per Imperial gallon

Mileage Costs
6.1243
¢ents per km
9.86
¢ents per mile

Ratio between City/Highway driving = 30/70. Load: Two people most of the time, otherwise one. Driving Style: Synchronize with the traffic.

Comment: A lot better than the numbers obtained from the tank before (Post #922, P.62).