2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

mpg?

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Old Nov 29, 2001 | 10:24 PM
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MazdaMark1990gtu's Avatar
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mpg?

what kind of miles per gallon are you guys getting? I get about 26-freeway and 15-city, average is usually about 17-18mpg
Old Nov 29, 2001 | 10:27 PM
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I get 22-25 mpg mixed city/highway. This is in my 90 GTU.
Old Nov 29, 2001 | 10:38 PM
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Bone stock about 17 or so, if I give it hell. Around 20 or so city if I drive like grandma. Havent really been on the highway enough to give a good rec. 1988 vert all stock
Old Nov 30, 2001 | 12:05 AM
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i get about 17 MPG too. 87 turbo II upgraded to an 89+ light rotors & housing + upgraded turbo w/ streetport. @8 1/2 PSI
3 inch downpipe & exhaust w/ big cat. cold air intake.
Old Nov 30, 2001 | 05:58 AM
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I said it before and I'll say it again:

WHAT ******* 20 and 22 and 25 MPG ARE YOU TALKING ABOUT ?

My TII can barely break through the 10mpg limit

...but I know for a fact that my cats are going up the "stairway to heaven" (catalytic heaven that is... ), so they need to go A.S.A.P...

....and also I must have a lead foot
Old Nov 30, 2001 | 07:21 AM
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Haven't checked, but i'm guessing mid 20's based on cars with similar mileage, that i've driven equal distances.
Old Nov 30, 2001 | 08:01 AM
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I only have 11-13 mpg, driving in a heavy traffic everyday.
Old Nov 30, 2001 | 08:44 AM
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18-20 highway, 15-18 city. Depends on which street I am on.
Old Nov 30, 2001 | 09:56 AM
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I get about 15 in city and 20 on hwy. I know my cats are shot, so hopefully when I take them out it will be better.
Old Nov 30, 2001 | 11:29 AM
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I get about 12-13 in my convertible in mixed driving, sometimes less.
Old Apr 16, 2008 | 01:39 PM
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Thread ressurection time


I was considering an FB or FC as a commuter, and like a good member, I searched. So lets get this thread going again


I will start
My 8 gets 16mpg no matter how I drive it around town, and 19mpg on the freeway
Old Apr 16, 2008 | 02:33 PM
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i got around 17 street, 22 highway.

peace
Old Apr 16, 2008 | 07:20 PM
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get 26 straight hwy mixed about 17..thats creeping around..large streetport/3in exhaust intake no emmisions
Old Apr 16, 2008 | 07:37 PM
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I get about 18 with my foot in it as much as I can get away with, but mixed driving.

Ramses666
Old Apr 16, 2008 | 08:01 PM
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25 highway, 17 around town
Old Apr 16, 2008 | 09:44 PM
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19-21 mostly highway - no matter how I drive it. Stock '90 TII
Old Apr 16, 2008 | 09:54 PM
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I seem to get 19-20 regularly with my bone stock 91 vert.....I don't quite drive like grandma but I definitely don't beat on my car either.... highway mileage tends to be a tad higher, but I've never seen the 25 some people claim
Old Apr 17, 2008 | 02:31 AM
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I only get 15-18 with my 88 vert, and that's with a good chuck of hwy driving. Of course, around here hwy driving is far different than people in the midwest with flat-for-miles roads. I tend to spend a lot of time at 4k+, but even if I baby it for a tank, I don't manage much better.

My 87 TII would get 10-15, with 10 being city driving alone and PLENTY-o-boost.
Old Apr 17, 2008 | 08:36 AM
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Copied directly from the FAQ sticky:


What kind of gas mileage does the FC get on average? What can I do to increase mileage?
The FC is a sports car, not a Geo Metro. Therefore, mileage on average seems to hover around 15-18 MPG city, and 23-26 MPG highway. If you are getting less, you either have a heavy foot or your car needs a tuneup.

As for increasing mileage, the first thing that needs to be done is making sure the car is in good tune. Do a full tuneup including plugs, wires, fluids, filters, timing, TPS adjustment and everything specified for the 60K tuneup (see Haynes/Factory service manual). Learn to drive with less of a heavy foot. Accelerate slowly, coast in neutral to stops, and keep the revs below 3800. A vacuum gauge helps (drive for most vacuum), as well as an A/F gauge (try to keep it in closed loop). You can get some great mileage if you are patient.

Some topics on mileage:
https://www.rx7club.com/forum/showthread.php?t=438252
https://www.rx7club.com/forum/showthread.php?t=429568
https://www.rx7club.com/forum/showthread.php?t=433231
https://www.rx7club.com/forum/showthread.php?t=424535
How to get better mileage: https://www.rx7club.com/forum/showthread.php?t=412143

This topic comes up weekly, or anytime fuel prices get a little high. It has been covered many times in the past with always the same result: a bunch of people listing their mileage which averages out to the numbers in the FAQ.

Closing thread.
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