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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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#657 of 706 Re: The new zoom zoom [heybroder] by biker4 Oct 25, 2008 (5:30 am)
Replying to: heybroder (Oct 24, 2008 11:11 am) ...and along with that - will the '10 hatch require the bigger engine like current gen?
#658 of 706 Re: Mazda3 Owners: MPG-Real World Numbers [KarenS] by terryharris Oct 25, 2008 (6:38 am)
Replying to: KarenS (Jun 02, 2005 10:17 am) Played economiser for first 1,000 miles on my new MS3. Got 30.3 MPG from onboard cmputer. Replies to this message: roadburner (Oct 25, 2008 8:48 pm)
#659 of 706 Re: Mazda3 Owners: MPG-Real World Numbers [terryharris] by roadburner Oct 25, 2008 (8:48 pm)
Replying to: terryharris (Oct 25, 2008 6:38 am) Got 30.3 MPG from onboard computer.   Ever since I bought my MS3 I've been tracking it's fuel economy and comparing it to the OBC calculation. I've found that the true mileage averages 95% of the OBC number; if my OBC shows 28 mpg the actual mpg will be around 26.5.
#660 of 706 Questions on 2009 Mazda 3 by ylz Nov 02, 2008 (11:53 am)
Hello all. I am purchasing a new Mazda 3 5-door and have a few questions. I really want the factory installed navigation in my car so does anyone know how it works? I know the graphics may be a little outdated but as long as it works effectively, that's what I want. Secondly, I was thinking about purchasing a cold air intake to give my car more power but how will it affect my gas mileage. I mean am I gonna sacrifice 2mpg or more? And the third issue I had was I was thinking about putting the spoiler from the Masdaspeed 3 on my Mazda 3. But my friend says that will also affect my gas mileage a little. Cmon! I mean how much heavier is the other spoiler. And lastly, should I get it in black or metroplolitan grey? Both gorgeous colors. Thanks!
#661 of 706 Why the lousy MPG? by wackypawn Nov 05, 2008 (9:24 am)
I have 2008 Mazda 3 hatchback with 2.3 engine and automatic transmission. My commute is urban stop and go but I live very close to work and probably a quarter of the miles are on the highway on weekend trips. It currently has 3500 miles.   I have never and I mean NEVER gotten above 22mpg. Usually it is 20 or 21 mpg sometimes less. The only time I got 22MPG was on out of town round trip which was almost entirely on the highway. I measure the mpg by always filling up the tank at the same gas station and dividing the mileage on the gallons filled. I don't race from traffic light to traffic light and I rarely go above 75mph on the highway.   Somebody has mentioned that it takes time for the engine to 'settle' but I am beginning to get a little frustrated since obviously a lot of Mazda owners are getting much better MPG even right out of the bat.   So what I may be doing wrong? Does it sound like I just got a lemon? Any suggestions or driving tips would be greatly appreciated! Replies to this message: gretsch6120 (Nov 05, 2008 11:53 am) pf_flyer (Nov 05, 2008 12:15 pm) autonomous (Nov 05, 2008 1:59 pm) brted (Nov 06, 2008 5:22 pm) wackypawn (Nov 06, 2008 6:03 pm) sshpr (Mar 16, 2009 7:19 am) nadeemk (Feb 07, 2009 1:13 am) shipo (Feb 07, 2009 9:50 am)
#662 of 706 Re: Why the lousy MPG? [wackypawn] by gretsch6120 Nov 05, 2008 (11:53 am)
Replying to: wackypawn (Nov 05, 2008 9:24 am) You have a lead foot but may not think so? hold gears too long? down shift too much? the gas you are using is trash? your car doesn't have sufficient time to warm up during the commute? you are in a hilly area? you have to hit many traffic lights? It's already cold where you are + hills + traffic lights? you brake too hard and have to accelerate more to get up to speed? you have a trunk full of cement? forgot to untie the dead Buck or Boar from your roof rack? Ah! You have a bicycle or kayak roof rack? you drive around with said bicycle, kayak, and dead wilflife on your roof rack through the snow, up hills, stopping at every traffic light and don't realize all four tires are punctured. Replies to this message: pf_flyer (Nov 05, 2008 12:15 pm)
#663 of 706 Re: Why the lousy MPG? [gretsch6120] by pf_flyer HOST Nov 05, 2008 (12:15 pm)
Replying to: gretsch6120 (Nov 05, 2008 11:53 am) Don't forget another factor... ethanol. I'm taking about a 10% hit on mileage in both my vehicles now that ethanol is everywhere. Pretty much everyone I know is seeing this effect. Check the The Inconvenient Truth About Ethanol discussion.
#664 of 706 Re: Why the lousy MPG? [wackypawn] by autonomous Nov 05, 2008 (1:59 pm)
Replying to: wackypawn (Nov 05, 2008 9:24 am) So what I may be doing wrong? Does it sound like I just got a lemon? Any suggestions or driving tips would be greatly appreciated!   Suggestion: for the next two weeks slow down by 10 miles and see what happens. I predict your fuel economy will miraculously improve!
#665 of 706 Re: Why the lousy MPG? [wackypawn] by brted Nov 06, 2008 (5:22 pm)
Replying to: wackypawn (Nov 05, 2008 9:24 am) My manual 2.0 liter sedan gets about 28 mpg with similar driving and about the same number of miles (3000 miles in the six months I've had the car; I drive a mile to a transit station for work and most other driving is in town). When I was really having fun driving I was getting 22-25 mpg and was horrified. For some reason I thought it was better to have the AC on fresh air at first (in hot humid Georgia). Driving to conserve fuel and putting the AC on recirculate got me to 28 mpg, which is about what I expected, though I hoped for more than that. With a bigger engine and automatic like you have the mileage would be less.
#666 of 706 Re: Why the lousy MPG? [wackypawn] by wackypawn Nov 06, 2008 (6:03 pm)
Replying to: wackypawn (Nov 05, 2008 9:24 am) Thanks for the feedback. I'll slow down and will throw away the dead buck. If I'm not too lazy, I'll report in couple if weeks.   I use Costco gas in SoCal so if they are known for adding ethanol/crappy gas let me know. Replies to this message: sshpr (Mar 16, 2009 7:19 am)

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