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-   -   BRZ Limited vs BRZ tS MPG Disparity ??? (https://www.ft86club.com/forums/showthread.php?t=145833)

Mcgiiver 06-21-2021 11:52 AM

BRZ Limited vs BRZ tS MPG Disparity ???
 
On the Sub website, BRZ limited MPG 33/24 vs BRZ tS 27/20. Why is there such a large difference? Are the cars equipped differently that would affect mileage so radically??

NoHaveMSG 06-21-2021 12:44 PM

Is that limited a manual or auto? The auto's get much better millage and have a 4.1FD vs the 4.3 the manual limited and TS have.

The wing on the TS will drop millage a bit due to drag.

Mcgiiver 06-21-2021 01:27 PM

Not sure manual or auto as the spec sheet did not specify.

Sasquachulator 06-21-2021 02:00 PM

Definately looks like the auto vs manual numbers.

LancePower 06-21-2021 05:05 PM

Tires too.

p1l0t 06-21-2021 05:35 PM

I thought the Subarus were the manuals though?

Sent from my SM-G975U using Tapatalk

Mcgiiver 06-21-2021 05:53 PM

We are talking about a 20-22% difference in mileage. While the auto final drive makes the engine spin about 4.8% slower, I doubt that makes the big difference in gas mileage. Difference due to tire must also be nearly negligible. Something doesn't sound right with these mileage figures given in the specs.

NoHaveMSG 06-21-2021 06:14 PM

Quote:

Originally Posted by Mcgiiver (Post 3443427)
We are talking about a 20-22% difference in mileage. While the auto final drive makes the engine spin about 4.8% slower, I doubt that makes the big difference in gas mileage. Difference due to tire must also be nearly negligible. Something doesn't sound right with these mileage figures given in the specs.

The auto trans also has taller gearing besides the FD.

Here is mileage comparison of the pre-facelift cars, same FD.

https://www.ft86club.com/forums/show...63&postcount=9

Dzmitry 06-22-2021 08:50 AM

Quote:

Originally Posted by Mcgiiver (Post 3443427)
We are talking about a 20-22% difference in mileage. While the auto final drive makes the engine spin about 4.8% slower, I doubt that makes the big difference in gas mileage. Difference due to tire must also be nearly negligible. Something doesn't sound right with these mileage figures given in the specs.

No it's not quite accurate, but honestly, this car has a pretty big mpg variance between the people that drive it. There's people on this forum who average 32-34 mpg. I tend to get 29-31. Some get 20-24. It all depends on where you live and how you drive.

Car and Driver got 32mpg going 75 on highway. But only 23 average if I understand the other figure correctly, and that's probably due to them winding it around a good bit.
https://www.caranddriver.com/reviews...-drive-review/

Granted, this is MT they tested on.

dpfarr 06-24-2021 05:48 PM

Isn’t the ts heavier due to brakes, suspension etc? Couple in tires and aero drag?

Vides990 06-24-2021 06:53 PM

I got 30-32 in my 2013 limited and my ts is probably 23-26max. I attribute it to the 4.3 change and less highway miles.

Dzmitry 06-25-2021 12:32 PM

Quote:

Originally Posted by Vides990 (Post 3444409)
I got 30-32 in my 2013 limited and my ts is probably 23-26max. I attribute it to the 4.3 change and less highway miles.

Yeah i'd say those two things you mention are the most massive affects in changing the average mpg's for this platform. That, and driving style of course.

I have the 2018 with a 4.3 and still average 29-31mpg. This is due to me running 80% highway miles. The days I reset the mpg and drive around local roads for a while, it easily tanks down to 24-25mpg.

Dzmitry 06-25-2021 12:34 PM

Quote:

Originally Posted by dpfarr (Post 3444391)
Isn’t the ts heavier due to brakes, suspension etc? Couple in tires and aero drag?

I am sure all of those things are too miniscule to consider any major changes in mpg. I can throw my girlfriend and kid in my car and the weight goes up at least 150lbs, but I don't really see any changes in my mpg average on trips, at least nothing noticeable enough.


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