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Mazda5 Owners MPG-Real World Numbers

378 messages,  Last post on Nov 23, 2009 at 1:42 PM

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What is this discussion about? Mazda MAZDA5, Fuel Efficiency (MPG), Van


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#308 of 378
Re: 17 MPG [vg33e power] by daharon
Dec 02, 2008 (12:33 pm)
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Replying to: vg33e power (Dec 02, 2008 7:45 am)

I use regular gas from Hess, usually, but occasionally I'll fill up at some random Sunoco. I doubt that can account for a 10MPG difference than most people. The car just had its 6000 mile service. What could be wrong with the gas cap?
Until last week, I was using the OEM oil from the dealer. At the service visit I asked them to switch to synthetic. Haven't noticed any radical changes.
#309 of 378
Re: 17 MPG [daharon] by vg33e power
Dec 02, 2008 (1:01 pm)
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Replying to: daharon (Dec 02, 2008 12:33 pm)

HMMM! Interesting....your MZ5 is fairly new too! 6K miles is very new, but not still within the break in period, which sometimes accounts for low MPG. I dont know about Hess gas (probably an East coast only station), but Sunoco does have good gas IMO. So that is out of the question. You just switched to Synthetic, which is usually a better oil and returns better MPG (as long as it is the same weight). Gas cap, if faulty would let vapor escape from gas tank, therefore, evaporating your gas more quickly. However, if that was the problem I am almost sure that the check engine light would go on. Also at 6K miles I dont think your air filter is dirty. I cant think of anything else that you or I have mentioned that would cause low MPG, besides ECM not programmed correctly or odometer malfunction. Do you have stock wheel and tire set up? How do you calculate your MPG's?
#310 of 378
MPG HWY by StokedSeeker
Jan 01, 2009 (5:23 am)
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Last week, we took the car from Portland, ME to NYC & back. I averaged about 30 MPG. This was with 2 adults, 3 kids & a full luggage.
#311 of 378
3-days car rental - averaged 29.5mpg by gokaho
Jan 03, 2009 (7:54 pm)
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I rented a Mazda5 automatic for the 3-day weekend. I drove 570 miles.
 
On a 150 miles highway run (68-73 mph with AC on, myself and a dog) it averaged 33mpg.
 
Urban driving, with 5 passenger (2/3 freeway driving, no stop & go traffic), it averaged around 28mpg.
 
The entire trip/3 day average was 29.5 mpg
#312 of 378
Re: 3-days car rental - averaged 29.5mpg [gokaho] by jonat1x
Jan 03, 2009 (9:56 pm)
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Replying to: gokaho (Jan 03, 2009 7:54 pm)

What company rents Mazdas?
#313 of 378
Re: 3-days car rental - averaged 29.5mpg [jonat1x] by coolmazda5
Jan 04, 2009 (5:58 am)
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Replying to: jonat1x (Jan 03, 2009 9:56 pm)

I've seen them with Hertz and Enterprise
#314 of 378
08 sport w/auto trans & 7800 miles by 01le
Jan 10, 2009 (12:24 pm)
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I just got back from a round trip from San Diego to L.A. (230 mile total) and I got 30.4mpg averaging 68 mph. 3 adults and 5 pieces of luggage on board (full load), so I am very happy with my mpg results.
#315 of 378
Re: 3-days car rental - averaged 29.5mpg [jonat1x] by gokaho
Jan 10, 2009 (10:55 pm)
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Replying to: jonat1x (Jan 03, 2009 9:56 pm)

I rented it from Enterprise Car Rental. The 3-day rental, with tax and fee (no buy up on insurance) was only $105, with unlimited miles for driving within a state.
 
The trip covers between San Antonio and Houston, the driving condition covers mostly flat terrain. The temperature was in the low 70's.
#316 of 378
MPG expectations not there yet. by sbsteggs
Feb 20, 2009 (4:11 pm)
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I bought a new 2008 Mazda 5 in January 2009. I was really sold on the 22 city-28 highway mpg estimates. So far, on 3 fill-ups, i've got 19.5 , 20.5, and 20.5 mpg. My wife was doing most of the driving on the 1st two tanks, and i did most of the driving on the 3rd tank. Our driving would be considered 50% city, 50% highway. The city is really 40mph suburban.
 I was expecting an average of 24-25 mpg overall. Getting 20.5 has been disappointing. I did have a little trouble getting the gas cap off on the 2nd fill-up. I've noticed forums talking about a "break-in period", which i'm not familiar with. So i'm gonna take it into the dealer. I don't think expecting 24-25mpg from a brand new 4 cylinder in unreasonable. I have a 1994 Lumina APV 6 cylinder that is getting 16mpg.
 Any thoughts or comments would be appreciated.
#317 of 378
Re: MPG expectations not there yet. [sbsteggs] by lcostantino
Feb 20, 2009 (4:47 pm)
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Replying to: sbsteggs (Feb 20, 2009 4:11 pm)

Sbsteggs - not sure if your weather is an issue, or if you're driving it with a full load, or have a lead foot... I've got 33K on a 2007, the 4 speed automatic GT. I usually drive alone, and it's 70% fast freeway (70mph+) and the rest suburban streets. I've averaged 23-24 without fail, lowest was 20 and highest 27. They do a little better after "break-in" but not much. Do examine the other MPG factors. Good luck!

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