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Hatchbacks Toyota Yaris Toyota Yaris Real-World MPG
472 messages, Last post on Oct 23, 2009 at 11:40 AM
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Hi everyone, first post. I discovered this thread searching Google for "Yaris gas mileage". I just bought a new Yaris hatchback with a 5 speed a month ago and am trying to figure out what I'm getting for mileage. The numbers I seem to be getting are "too good to be true", so I'm trying to see if I'm calculating mileage correctly, being as mathematically challenged as I am. I live in Mass, and have a 50 mile a day commute. The roads I drive are typical for the area -- not city, not highway, but a combo of both -- mostly 40-50+ MPH 2 lane secondary roads, with slower spots through towns and some stops. My driving style is to not wind the car out and get into the highest gear that gives me good roadbility fast My manual says the Yaris fuel tank is 11.1 gallons, so I divide that by the 8 bars on the fuel gauge and get 1.3875. To get my mileage, I divide what I get from one bar by that number, so if I drive 48 miles on 1/8th tank, that's 34.6 MPG, right? I haven't done a calculation on a tankful yet, I'm in the process of doing that now, but using the 1/8th talk calculation, I've seen numbers as I've said seem too good to be true. Just driving normal, using the above calculation method, I'm getting 41 MPG consistently. Last week, we had a heat wave, and I was using the AC continuously, and also got on the car a little hard a few times, and got an all time low of 36 MPG. And, today, for Father's Day, I went out to my sister's house, which was all highway at 65 MPH with a few trips to 80 MPH, and I recorded an astounding 71.5 miles out of 1/8th tank, which would calculate to 51.5 MPG. So, what am I doing wrong?
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Replying to: iluvmysephia1 (Jun 15, 2008 12:15 pm) Absolutely! Then it is your fault that the traffic came to a stand still behind you from the domino effect, of your letting off the gas to keep from rear ending the car that just had to pass you ! But no,, wait! That can't happen, because you were driving the speed limit and the backups, wrecks, slow downs and so forth are only caused by those driving 60-65 . But what if the posted speed limit is 55 and that 65 MPH driver is still on the road? Are they still causing massive traffic snarls. It is all so confusing.  Think I'll just stick to the relaxing 65 mph. Give me a chance to view episodes of "Ice Road Drivers", or "Monster Quest" that I missed. Make some phone calls and fix some breakfast while commuting. And above all, calculate how much gas I'm saving.  Have a blessed day, Kip |
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Replying to: tele_mark (Jun 15, 2008 2:42 pm) Example: You drive 240 miles since the last fill. It takes 6.9 gallons to re fill. Now divide 240 by 6.9 and you mpg was 34.78 mpg. After doing that a few times you can figure your "average". Kip |
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Replying to: tele_mark (Jun 15, 2008 2:42 pm) Later!
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Replying to: psulions (Jun 14, 2008 5:14 am) My 2008 2 door Yaris "S" loves speed and so do I! Setup with 19" wheels & low profile tires, lowered suspension via Eibach springs, gas shocks, a custom made sway bar, a few other engine & electronics mods, runs very smooth at a brisk 82mph for extended periods. I could not be happier......say bye...... 
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Replying to: podred (Jun 17, 2008 10:52 am) I put a TRD rear sway bar on my Yaris, when I had it, and it greatly improved the stability of the car at speed, without giving it any "over" steer. I also put 195 tires on it (195x60x14) which were a close swap, in terms of diameter and hence speedometer accuracy and chassis clearance, for the stock, skinny 175x65/14 tires. It wasn't so long ago that 195x60's were considered "low profile"....
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Replying to: kipk (Jun 15, 2008 2:50 am) Thank you psulions for your response, since you actually have a relevant viewpoint to my question. I think I will steer away from the Yaris and go for a Corolla instead. As a side note, getting higher than the EPA estimate doesn't always require driving 65mph or less. I just drove my wife's brand new 08 Impreza (EPA rated 20city/27hwy) to work the last two days and averaged 30mpg, going the same speeds as I always go (80mph on most of highway portions, 70mph in the 65mph areas). Apparently, Yaris just isn't a car that can pull this off (going 80 and still exceeding EPA estimates), and that's fine, just not for me.
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Replying to: micweb (Jun 17, 2008 11:32 am) I put a TRD rear sway bar on my Yaris, when I had it, and it greatly improved the stability of the car at speed, without giving it any "over" steer. I also put 195 tires on it (195x60x14) which were a close swap, in terms of diameter and hence speedometer accuracy and chassis clearance, for the stock, skinny 175x65/14 tires. It wasn't so long ago that 195x60's were considered "low profile".... I agree with you, they can be a lot of fun. I too "shaved' the trunk of all emblems, it's the first thing I do with my new cars. Especially if they are Japanese as they have a penchant for using different fonts and styles in each of the three or more emblems affixed to the trunk. I was lucky on the Yaris as none had locating pins, thus no holes in the hatch panel. And of course I left the tastefully done Toyota Logo in the middle. So the only "labels" on the car are the front and rear Toyota Logo's. Regarding wheels and tires, I like both choices really, the way you chose to go is the very best from a handling standpoint as you have lighter unsprung weight that way. The way I chose to go was for looks and to fill out the wheel wells. Even though I went up a few sizes in wheel diameter I worked with The Tire Rack Closely during the selection process to insure that I was replacing the stock alloys and 15" tires with tires of the very same diameter, just a greater width and lower sidewall profile. Also as a long time enthusiast I am very aware that in doing so my chances of having a puncture have increased as that is a well documented fact. However it's one that I'm aware of and willing to risk. In the final analysis I was able to make this conversion without affecting speedo accuracy, still use the TPM system, and achieve a nice look. Cornering has improved dramatically which was the goal as I always drive the speed limit in town, for safety and the interest in retaining my drivers license..... So, now I can have my fun by just turning into the corner without reducing speed or braking as there is no body roll, no loss of traction, just the thrill of a super fast cornering experience and to see the wide eyes of people who have just witnessed this "little red car" turn at corner in town at 30mph ! Simply puts some fun back into driving and a smile on my face....... 
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Replying to: erod550 (Jun 18, 2008 10:50 pm) Don't believe I suggested that anyone else drive 65 for lower stress. I said it is less stress for me. I live in a 70 mph state. Some drivers think it is an 80+ mph state. However, lately, more and more drivers are slowing down. Last trip we took, ( at 65MPH ) we were passing a lot more cars and 18 wheelers than in the past. Recon some folks are getting the idea.  Kip |
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Replying to: kipk (Jun 03, 2008 4:04 am) These are just a few of the issues in dealing with the energy problem. I didn't even start on hydroelectric, geothermal, etc. Your idea that someone is somehow selfish because they want to drive 5 - 10 mph faster is very small minded at best.
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