Last post on Oct 07, 2012 at 3:30 PM
You are in the Mazda CX-7
What is this discussion about?
Mazda CX-7, Fuel Efficiency (MPG), SUV
#353 of 362 Re: 08 model does not require premium [weinerdowndog]
Sep 11, 2008 (6:18 am)
Well, I have a 2007 and my tech says that occasionally filling up with 89 is fine, especially if you can't find one that has 91 when you need it. Also, I've been using an additive that actually does work. My average MPG has increased by 10%. The stuff is kind of expensive, but doing the math, especially with gas as expensive as it is today, absolutely saves me a ton of money. I have no stock or anything in this company, I just use it, but you can get it here - link title
#354 of 362 MPG 2008 Sport FWD
Sep 19, 2008 (12:41 pm)
On my first five tanks of gas since purchasing my 2008 FWD CX-7 last month, the MPG has ranged from a low of 21.2 (70%/30% city/highway) to a high of 27.4 (all highway). I've been using 87 octane regular with 10 percent ethanol, with no discernable performance problems. The dealer's service rep indicated they were told by Mazda that regular was OK to use in the 2008s. So far, the MPG and the car overall has exceeded my expectations and I have not had any problems at all.
#355 of 362 Re: MPG 2008 Sport FWD [sun7]
Sep 19, 2008 (1:58 pm)
More power to you. You are getting excellent milage. I have the GTFWD 07 which was purchased in Oct. 06. I have almost 11,000 miles.
Last year before I took it to the dealer to upgrade the chip to help the 6 speed transmission shift better, I was making 25mpg over all.
Since then, my in town milage has drop to 16-17mpg and overall on a 1835 mile trip I made 22.45mpg. I will say that on at least 3 tanks I made over 25mpg and one tank over 26mpg. but this was on Interstate level hwy in AR. and LA.
I do mix my fill ups. I will put any major brand of 89-93 octane. I also use an gas additive every once in a while. We love the car and it performs very well.
It is a lot of fun too drive and very sporty on the back roads.
93octane Shell is back up to $4.05 per gallon, I have paid as high as $4.86per gallon which was totally unacceptable.
Enjoy you zoom,zoom, CX-7
Oct 09, 2008 (8:50 am)
My 07 AWD is beyond disappointing in the MPG dept., I have never gotten more than 275 miles from a full tank (17.5 gal) and I typically average 220 - 235 per tank. This puts me in the under 15mpg dept with consistency. My driving habits have varied from light to hard with no real difference in mileage, although I once even only got 190 from a tank full.
I had the PCM reflashed during last service back in 12/07 or so. None the less, the mileage is pitiful and I am considering rolling out of this gas hog next year. Too bad, for I truly enjoy ALL the other aspects of this vehicle, perhaps a Murano will be my next ride.
#357 of 362 Re: PIG ON GAS [boesman1]
Oct 09, 2008 (10:18 am)
You might want your dealer check your PCM again. I kept having problems of the transmission hanging up in 5th gear when it should have been in 6th gear.
That computer setting can be adjusted.
Also, have you tried to drive with the manual shift side, that is even more fun. I got better gas milage in town, but you cant dog it. Too many high rmp's in lower gear settings burns a lot more gas.
It took three trips for them to get it right, it might work for you.
#358 of 362 Re: PIG ON GAS 
Oct 21, 2008 (7:31 am)
I am really trying to not bring the tach over 3k for a tank full (hard to do) , about 100 miles of hwy on this tankful if I dont break 300 miles I will continue to be disappointed with the MPG
Oct 21, 2008 (9:40 am)
Tuesday means Mazda chat night! Mazda ownership is not a requirement! Just bring yourself and your love of cars and the desire to discuss anything and everything automotive and you're good to go!
The chat opens at 8:45 pm ET and runs until 10 pm ET. I hope you're able to join us tonight to meet and greet with your fellow CarSpace members!
See you there!
Oct 27, 2008 (9:14 am)
We just purchsed our CX-7 two months ago and we love it. I just figured mileage with the last two tanks. The first time it was 15.927, and the last time it was 16.62. The last one may not be entirely accurate because the tank was topped off. So far, I believe that the economy will be better than our previous crossover, which was a 2004 Chrysler Pacifica FWD.
I don't have any qualms with the CX-7 at all...well built, sporty, powerful.
I do plan to install a cold-air intake within a couple months. From the reviews I've read it will make the turbo sound more noticeable. Mazda put a rather restrictive air-box on the CX-7 and it diminshes that satisfying turbo sound.
Jul 29, 2009 (9:29 am)
07' AWD ---at freeway speeds 70+ received 25.9 MPG. Using 91 premium. Would suggest having front end alligned,added 2+ mpg afterwards. Also, keep tire pressure 35~37 psi. replace air filter, change oil every 3~4000 miles.
#362 of 362 Re: CX7 owners with timing,sludge and turbo issues [angry_cx7]
Oct 07, 2012 (3:30 pm)
did anyone get near the suggested MPG in this car????Please comment I need to know, I believe I was avg. 12-13 city 18-19 hwy!!!