MPG and PSI what's yours?

[mitchell12]

205/50/15

200 treadwear falken tires at 40 psi. 36mpg. 243,000km on the car.

[Jcp123]

I run the sidewall max (44psi) all around, been averaging close to 40 lately, but 42-44 in summer.

[albee213]

Raised mine from 32 to 36 front and 34 rear. Seems to get a bit better mileage, I average 35 no matter what I am doing, but now its been 36 to 37 MPG. I will not raise any higher due to road vibration and noise increase.

[bkrownd]

I pump mine to 40 every 2-3 months. I rarely check them because I haven't noticed any habitually leaking tires.

[Idahotom]

Originally Posted by Jcp123

I run the sidewall max (44psi) all around, been averaging close to 40 lately, but 42-44 in summer.

My results also, never below 40, except for extended high speed what the hell trips.

During the winter months, I deflate to 32 lbs., on the front only, as it MAY make the difference in letting me drive the Yaris instead of the AWD Rav4. The wrong choice means I get to walk the last 1.5 mile home. I often risk it just to drive the Yaris all I can it saves me so much money. And it just looks cool.

[07liftback]

44 psi in the rear and 40 psi in the front

70% freeway, 30% city

2007 5-speed liftback

34-36mpg on average. Winter months drop it down to 32-34mpg. My driving habits wouldn't be the cause as I maintain a very steady pace and never gun it when going from a complete stop.

[roxy1]

trip to Milwaukee and back today. 2014 5 speed manual. 432 miles. 9.88 gallons used. all tires at 34 psi.

43.7 mpg's

mostly interstate with speeds ranging from 45 mph-70 mph depending on traffic congestion. a couple traffic jams.

too bad it wasn't summertime...it would have been better.

[2009Toyotoad]

Nearly always gotten 40+mpg with 40 to 42 psi all the way around on Goodyear Fuel saver Max 185/65 R15 tires. However, if I jump up to 75+Mph the mileage will drop to 35 mpg. D2 racing coil overs, GT Spec mid chassis brace, and Cusco front anti roll bar. Recently, raised the ride height on the D2 racing suspension. So my numbers will likely drop a little. but the speed bumps are becoming a pain, or rather thud in the rear.

[mimelio]

33-35 mpg mixed driving 70% city 30 expressway (70mph) 35 psi on all 4 tires. Straight expressway at 60-65 mpg I will get 39-41 mpg

[TerenceCruz]

I usually get between 34-37 mpg. I'm on Megan coils, running 195/45R16s on 16x8.5 wheels. I have a whiteline rear sway bar, and a 12" sub in the trunk as well :)

[gearbox]

I just purchased a 2011 1.5 auto with 40k on it as my daily commuter. I am excited to see what mpg I can get. I will try for 50+. I have not seen a 60 yet? My psi is set at 65 psi right now. I have played with psi for years. I have never had a blow out but I am well aware it could happen anytime.

[saman]

aha good tips here !!!!!!!!!!!

[vasonline]

I use the Opel Adam 'eco' tire pressure on my Yaris:

2,9 bar on the front
2,7 bar on the rear

I have 15" (stock) size tires

Opel Adam regular pressure is around 2,2 bar front and 2,1 bar back (or some value very similar to the Yaris)
Taking turns is much nicer with the eco pressure, I get the idea the tire deforms less in a corner.
MPG is up too & Ride is not too harsh

Besides I found that my "thread" on the tire wore out more on the sides, and less on the middle.
I would guess that the tire more suffered from underinflating, then from overinflating

[soldout]

I keep my tires 37 PSI on all 4 tires.

I usually get anywhere between 33 MPG and 36 MPG depending on how I drive, I rev match and heel toe on the street - thats what you get when you daily drove a modded Delsol for 8 years.

One thing I have noticed is that your highway speed plays a big factor in your MPG figure.

I have found that after 55 MPH every 2 MPH faster you travel your MPG will be reduced by 1 MPG.

So I can get around 46 MPG+ average if I travel at 55 MPH. All my numbers are full tank averages. I know at 55 MPH the Yaris is getting over 50 MPG.

I dont keep my Yaris empty either, JL10W7 system, my tools and laptop, lunch bag and usually a bunch of computer and printer parts.

200 miles a day most of the time.

[nookandcrannycar]

Originally Posted by soldout

I keep my tires 37 PSI on all 4 tires.

I usually get anywhere between 33 MPG and 36 MPG depending on how I drive, I rev match and heel toe on the street - thats what you get when you daily drove a modded Delsol for 8 years.

One thing I have noticed is that your highway speed plays a big factor in your MPG figure.

I have found that after 55 MPH every 2 MPH faster you travel your MPG will be reduced by 1 MPG.

So I can get around 46 MPG+ average if I travel at 55 MPH. All my numbers are full tank averages. I know at 55 MPH the Yaris is getting over 50 MPG.

I dont keep my Yaris empty either, JL10W7 system, my tools and laptop, lunch bag and usually a bunch of computer and printer parts.

200 miles a day most of the time.

The 37 PSI must really help your MPG. That's higher than I find comfortable these days . At 32 PSI with about a 60/40 split between freeway/surface...and going 55-60 on the freeway, I get 40 ...or a hair over. Last tank....slightly over 60 % freeway (but up to 65 re speed) and 33 PSI....I got a bit over 41.9 MPG.

[nortonfb]

My tires are at 40 psi. Mileage is 37/38, all city except a few miles every week.
I follow the scan gauge, try to coast a lot, use cruise and shift early. Boring
as hell. This week I got wild and went 85mph for a two mile stretch.
I wonder how much my mileage dropped.

[soldout]

Id like to pick up a scangauge soon cant believe I waited so long.

Nook - Im on stock suspension if that makes any difference, although Id like to lower it but I drive a lot for my job so winters and snow make it difficult.

[nortonfb]

Check out the Ultra Gauge, I was going to buy that then this used Scangauge
came along.