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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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#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!
#318 of 378
Re: MPG expectations not there yet. [lcostantino] by sbsteggs
Feb 20, 2009 (5:02 pm)
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Replying to: lcostantino (Feb 20, 2009 4:47 pm)

It was very cold on the 1st tank, but it has been warmer recently. 40's. I don't think my wife has a lead foot. I tried to drive the car as smart as possible on the last tank, being bothered by the MPG so far. I still got 20.5 mpg. We've been driving with no extra weight in the car. Thanks for the imput.
#319 of 378
Re: MPG expectations not there yet. [sbsteggs] by 5_more
Feb 20, 2009 (8:07 pm)
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Replying to: sbsteggs (Feb 20, 2009 5:02 pm)

...I was disappointed when my winter mileage dropped to the 24-27 range -- in heavy snow and very cold temperatures (mixed suburban/city driving). I'm used to 29-31 nine months out of the year. (2008 5AT)
 
Do you have a remote starter?
#320 of 378
Re: MPG expectations not there yet. [5_more] by sbsteggs
Feb 20, 2009 (8:18 pm)
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Replying to: 5_more (Feb 20, 2009 8:07 pm)

No remote starter. Just a plain 2008 Mazda5 Sport.
 The funny thing is, I was all set to buy a 2008 Sedona: but Bought the Mazda instead. The Sedona got very poor gas mileage customer reviews. I really wanted gas efficiency.
#321 of 378
Re: MPG expectations not there yet. [sbsteggs] by 5_more
Feb 21, 2009 (7:11 am)
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Replying to: sbsteggs (Feb 20, 2009 8:18 pm)

Cylinder count of the engine isn't is a major factor in gas mileage. However, in stop-n-go traffic, and hilly areas, vehicle weight is -- and the 5 weighs about 3400 lbs -- or around 78% of what a Sedona weighs.
 
Every time the brakes are applied, the gas mileage goes down -- as kinetic energy is turned to heat, and wasted.
 
For fun, spend a few hours driving the speed limit, with the cruise control engaged, on relatively flat interstate (brakes not required to maintain speed), when there is little wind, with only one exit (to turn around). Top the vehicle off before and after a couple hundred miles. If your mileage isn't in the 32-35mpg range, I'd be surprised. Doing so would at least prove that there is nothing wrong with the car. If that is the case, your 20 mpg numbers can be accurately attributed to driving style and/or conditions.
 
FWIW, my front tires are at 42 psi, and the back ones are at 40 psi.
 
Also, the engine spins slightly faster, in 5th, on a manual transmission than it does with the 5 speed automatic. From reported numbers, the 5 speed automatic may actually get a little better gas mileage.
#322 of 378
Re: MPG expectations not there yet. [sbsteggs] by coolmazda5
Feb 21, 2009 (10:35 am)
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Replying to: sbsteggs (Feb 20, 2009 4:11 pm)

I own an 06 and an 08. While we regularly are in the 24MPG area, during Winter time I've noted 2-3MPG drop (and is not that cold sometimes either) so that may be part of the issue. And, as mentioned earlier, check your tire pressure just in case as that changes the MPG numbers radically

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