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Mazda3 Real World MPG

706 messages,  Last post on Oct 19, 2009 at 9:04 AM

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What is this discussion about? Mazda MAZDA3, Mazda MAZDASPEED MAZDA3, Fuel Efficiency (MPG)


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#667 of 706
2.0 M3 auto mpg by damian1962
Dec 02, 2008 (5:32 am)
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2.0 m3 auto with a combined mpg of 29, I have fun and I make sure not to go over 65 mph. I simply drive in a way where I avoid stop and go sequences. My M5 2.3 gives me a combined 24.5 mpg. You have to know what speed to apply during your routes. There are times when 65mph is no problem with no stops, but there are times when 50 mph is the velocity. When you find yourself passing and being passed your driving wrong, your suppose to catch up without braking harshly. You'll notice the cars that pass you get stuck ahead because there racing thinking they are going to get to a place faster by doing so, in a stop and go it's best to flow.
#668 of 706
Cold Air Intake by ylz
Dec 11, 2008 (3:13 pm)
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Hello all. Buying a 2009 Mazda 3 Hatch this month and I had some questions. I am thinking of buying a cold air intake for more power but my friend who owns a 2008 says I'm nuts. I have test driven this car a few times and I know it has power but what about the highway? I frequently drive over 80 and am I going to have trouble passing people, making two lane passes, etc...?? Do I need this intake? Also, does the intake really help that much? I have heard mixed reviews about it. And I can't seem to find one online for a 2009, I only see for 2008 models and below. It's the same engine and should fit, right? Thanks.
#669 of 706
Re: Cold Air Intake [ylz] by percussionist
Dec 11, 2008 (4:22 pm)
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Replying to: ylz (Dec 11, 2008 3:13 pm)

Slow down and skip the air intake - you'll save gas by doing both! Why would you need to pass anyone on a two lane road (I assume you mean one lane in each direction) if you are travelling at 80 MPH?
 
PS - We may live in very different areas, but there is no place around here that it is legal to go anywhere near that fast.
 
All that being said, however, I don't think you should have any power problems trying to pass at highway speed with just about any car on the road today - they can all go over 80. The only time this ever becomes a problem is when the person you are trying to pass speeds up (which, surprisingly happens often). If that's the case, don't bother. It's not worth it to save three minutes on your trip.
 
Good luck - the Mazda 3 is a great car!
#670 of 706
First 5.5 weeks and 3,301 miles... by shipo
Dec 26, 2008 (11:00 am)
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Car: 2009 Mazda3 i Touring Value Edition 5-Speed
 
Worst tank: 1,809-2,129 miles (319.9 net) -- 11.480 gallons -- 27.87 mpg
 - - Notes: Includes lots of local driving and sub zero temperatures.
 
Best tank: 2,895-3,301 miles (406.1 net) -- 12.389 gallons -- 32.78 mpg
 - - Notes: 85% highway, mostly on cruise control set at 70 mph, temperatures in the high thirties/low forties.
 
Overall: 3,301.4 miles -- 110.024 gallons -- 30.01 mpg
 
Given that the engine is still far from being broken in (from a fuel economy perspective), and given that the temperatures have often been well below freezing, I'm thinking that a 30 mpg overall average is pretty good for a car used for a daily commute to and from work.
 
Best regards,
Shipo
#671 of 706
13 months, 18,000 miles by ahightower
Dec 27, 2008 (5:18 am)
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Replying to: shipo (Dec 26, 2008 11:00 am)

That is pretty good, Shipo, considering the conditions. At 3500 miles, I was averaging 31.25 mpg, but the weather was a lot more pleasant here, and I've managed to avoid the worst traffic.
 
Here's my info since Nov. 2007:
 
2008 Mazda3i Touring 5-speed
 
Worst tank: 245.7 mi., 8.806 gal., 27.90 mpg
Best tank: 397.8 mi., 11.414 gal., 34.85 mpg
 
Overall: 18,126 mi., 576.574 gal., 31.44 mpg
 
Also just a daily commuter. Sometimes I beat traffic and cruise along at 60 mph the whole way, sometimes I sleep in and it takes an hour to go the 22 miles to the office. There have been no long highway trips at all. I'm pretty satisfied.
#672 of 706
Re: 13 months, 18,000 miles [ahightower] by autonomous
Jan 02, 2009 (1:19 pm)
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Replying to: ahightower (Dec 27, 2008 5:18 am)

Overall: 18,126 mi., 576.574 gal., 31.44 mpg
 
Congratulations. You beat Consumer Reports overall fuel economy rating of 30 mpg for the Mazda3i with manual transmission. These days it probably helps if you're in Texas rather than Vermont
#673 of 706
2008 M3 2.3 MT by saulster
Jan 15, 2009 (3:25 pm)
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After over 15K miles, I am averaging just under 28 MPG. Most of my driving is urban ( SF Bay Area ) freeways, some local / city thrown in. I usually drive the freeway at about 73 - 75 MPH ( indicated 75 - 77 MPH, per my Tom Tom GPS, the speedometer is a few ticks optimistic at this speed ).
 
I am very pleased with the real world mileage, especially considering how peppy and fun this car is to drive. It's not a sports car but is nicely powered and handles well. It's comfortable and a darned good value for the cost ( OK, I got it for $800 UNDER dealer invoice after a long bargaining session! ).
 
I thought about some modifications, such as CAI and cat back exhaust. Yep, I have done the mod thing before, I like it! But in this case, why bother, this car is "transportation", it's plenty powerful and works well as is.
 
Saul
#674 of 706
Re: Why the lousy MPG? [wackypawn] by nadeemk
Feb 07, 2009 (1:13 am)
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Replying to: wackypawn (Nov 05, 2008 9:24 am)

Hey.. I have the same car.. Mazda3 GTS 2.3 L sedan, Automatic. I live in Seattle in a very very hilly neighborhood and deal with mainly stop and go traffic. It's also pretty cold lately. To reassure you, I also never get above 20-21MPG.
 
I once did a trip to Vancouver, B.C. driving mostly at 65-70mph and got late twenties.
 
If you came across any techniques to improve your mileage, it would be very helpful to know.
#675 of 706
Re: Why the lousy MPG? [nadeemk] by shipo
Feb 07, 2009 (9:50 am)
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Replying to: nadeemk (Feb 07, 2009 1:13 am)

Nadeemk, it seems that the fuel economy for your automatic equipped 2.3 liter Mazda3 sedan is almost spot on compared to the EPA estimates. Other than waiting for warmer weather and altering your driving habits, I seriously doubt that you're going to be able to do anything to improve you mileage to any significant degree.
 
Best regards,
Shipo
#676 of 706
mechanic recommendations - Austin, Tx by glen13
Feb 18, 2009 (3:10 am)
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Can anyone can recommend a mechanic in Austin?
Some details appreciated. Trying to avoid dealers.

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