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Toyota Matrix: MPG-Real World Numbers

158 messages,  Last post on Dec 02, 2009 at 12:09 PM

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What is this discussion about? Toyota Matrix, Fuel Efficiency (MPG), Wagon


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#153 of 158
Re: Fuel Economy Sucks!!!! [zsinclair] by mantech
Feb 10, 2009 (8:49 pm)
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Replying to: zsinclair (Feb 10, 2009 1:41 pm)

Please take it to the authorised Toyota Service and have it computer checked. Keep in mind we are still in winter season our gas still oxigenated. Normal city driving it should be around 25mpg with auto transmission.
#154 of 158
Poor MPG by matrixvibe
Mar 10, 2009 (8:35 am)
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I recently bought an '05 Vibe- Matrix with less than 28K on it. I've been averaging about 27 mpg highway at 65 to 85 mph and 30 to 31 city. Very disappointing. It has original tires. I noticed that the fronts are rated at a higher psi than the backs, they are original equipment... Goodyear RSA's. Have also noticed that it drives kind of "squirrely" over bumps. Have read the threads on camber and toe and I'm concerned for tread life and mileage. Any suggestions?
#155 of 158
Re: Fuel Economy Sucks!!!! [mantech] by matrixvibe
Mar 10, 2009 (8:37 am)
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Replying to: mantech (Feb 10, 2009 8:49 pm)

Forgot to mention it's a base model 5 spd. I feel I should be getting well over 35 city as I live in a rural area with littel stop and go. Freeway mileage should improve not decrease in my estimation. I've been considering a cold air intake and have been looking to reprogram for better fuel efficiency.
#156 of 158
still chugging along by nippononly
Mar 28, 2009 (10:22 pm)
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Filled up tonight for the first time in a couple of weeks, maybe longer: 11.33 gallons, 422 miles, which my calculator says is better than 37 mpg. Can't complain! Don't suppose I will be seeing the 40 mpg I was dreaming of, any time soon though.
 
2007 XR 5-speed.
#157 of 158
and so by nippononly
Apr 27, 2009 (8:03 am)
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the A/C use has begun in earnest, here in California!
 
As a result, last night's fill-up: 377 miles, 10.9 gallons, makes for 34.5 mpg according to my calculator.
 
2007 XR 5-speed.
#158 of 158
Grill block by circuitsmith
Dec 02, 2009 (12:09 pm)
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I blocked off the lower grill for the winter in hopes of warming up the engine quicker.
A piece of black foamcore 4x30" behind the grill:

I'd rather have it look low key than try to gain any slight aerodynamics by modding in front of the grill.

I'm hoping to save a little gas by warming up the engine faster.
I take mostly short (10-20mi) trips.
 
Update:
I've compared the average of two fillups without the cover to two with the cover and saw an increase of 0.75MPG (27.25 to 28MPG), in spite of a small drop in average ambient temp.
All fills were ~1/2 a tank at the same pump with no topping off.
All the trips were short, mostly stop and go, 20mi or less, driving the way I normally do, which is pretty gently.

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