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Old 08-22-2017, 06:43 PM   #307
Drives: Yaris mk2
Join Date: Aug 2017
Location: Agueda
Posts: 2
I have 1.4 d4d 6 speed and go to work at 80-90 km\h and make some city and highway. Fuel consumption 3.9 L\100 in Summer and 4.2 L\100 in winter ��
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Old 09-11-2017, 08:23 AM   #308
Drives: 2007 Toyota Yaris 3dr
Join Date: Aug 2017
Location: Charlotte, NC
Posts: 59
As far as my MPG, since I use this vehicle for 4-6 hour work commutes and travel, I avg. 36-37 mpg driving in hilly/mountain terrain (75-78 mph). I believe I could hit 40 mpg on flatter roads, driving lower speeds. With that said, I'm happy with my performance but always looking to increase mpg. I'm planning on changing the spark plugs and cleaning the fuel injectors. Maybe that will increase my gas mileage.
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Old 11-23-2017, 03:40 PM   #309
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Drives: 2009 Toyota Yaris
Join Date: Nov 2017
Location: California
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My average MPG is between 28 and 32, with a constant mix of city, hills, and highway miles.

The lowest I have ever gotten is 21, and the best I ever get is 36.

This is in Northern California.
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Old 11-26-2017, 11:34 AM   #310
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Drives: 2006 Yaris 4 door 1.3l
Join Date: Apr 2017
Location: Germany
Posts: 139
Winter just began in Germany. I usually get around 35 mpg in the summer. In the winter I get around 31. There is lots of city driving in my mix thought. Like 90%.
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Old 04-26-2018, 04:48 AM   #311
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Drives: 07 Yaris Liftback
Join Date: Nov 2010
Location: Bay Area
Posts: 147
Went from 34mpg mostly highway to 28-30mpg mainly city driving. 34mpg was with 12 mile one way routes and 28-30mpg is with 5-6 mile one way routes. I had purchased some Denso spark plugs off ebay a couple years ago when I also changed my route, so I'm not sure if it's done anything to my mpg since I recently read that many spark plugs on ebay are actually counterfeit. I'll need to put my old ones back in and see if there's a difference in mpg.

However, driving like a granny from San Francisco to Los Angeles (400+ miles), I'm able to get 40+ mpg. Keep in mind that this includes drafting behind as many trucks as I can find and filling all my tires to above 40 psi with zero braking. Consistent 50-55mph on the freeway. If I drive normally from San Francisco to Los Angeles, I'd get about 30-35mpg (65-75mph). Not sure if there's something wrong with my car as it seems that my car is doing 20-40% worst than everyone else in this forum...
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Old 05-20-2018, 11:33 AM   #312
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Drives: 2015 Base Manual Yaris
Join Date: Jun 2016
Location: Northern Indiana
Posts: 1
I haven't read all 18 pages. And I'm aware I'm not the first to address this.

I'm shocked that a sticky in the OP encourages people practice not only dangerous (as pointed out) but a costly method of raising mpg. Over inflation of tires. NEVER inflate your tires to what the side wall says. Your tire is designed to fit multiple vehicles with varying air pressures. The sidewall is simply the max the tire can handle. Inside the driver door jam it tells you what Toyota says your tire pressure NEEDS to be. Shockingly, the engineers knew what they were doing when they designed the car.

I've spent 2 years as a tire tech before I was 21.

Not only as someone said there is higher risk of separation. But if you over inflate your tires you are GUARANTEED to wear out your expensive tires prematurely. Since you are putting most of the rolling pressure on the center area of the tread your tires center will go bald fast. Is saving a few bucks at the pump worth spending hundreds more on your tires? Economically it doesn't make sense. And we love better mpg cause of monies. So this just doesn't make sense.

Safety. Since you aren't putting even pressure on your tires footprint you are drastically reducing traction. Your stopping distance is increased. Which may just be the difference between a near miss or a fatal accident in an emergency. Once again, I'd like to point out that the engineers at Toyota knew what they were doing. Shockingly.

If you do want to ignore all the economical and safety reasons not to over inflate your tires here is one more thing to keep in mind. It improves mpg by reducing rolling resistance. Which ONLY in the city. This has been studied. Somewhere between 30-40 mph rolling resistance has a negligible effect on mpg and the only resistance that matters air resistance.

On that note I'd like to encourage forum mods to alter the OP to no longer encourage drivers to practice dangerous and expensive methods just to save a few bucks in the short term.
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