Is my mpg normal? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

stlgrym3 · 05-28-2018, 03:02 PM

Mine has OFT stage 2+ tune with tomei EL header, right now I’m getting 23.5mpg mix driving with 60% street and 40% highway. It was about the same when the car was unmodded. Does this number look low or normal?

carsebuco · 05-28-2018, 03:26 PM

Based on personal experience, it sounds about right. I ran 31mpg on stage 1, about 22 on stage 2.

Impureclient · 05-28-2018, 04:37 PM

You must be driving it too easy, grandpa.

OFT with custom tune and UEL here and I get 20 mpg.

Mine is almost exclusively city driving though. If I take it easy, which I rarely do, it will be closer to 25 mpg. Highway and taking is 35+ mpg though.

mav1178 · 05-28-2018, 04:39 PM

How are you measuring this MPG?

Breadman · 05-28-2018, 04:42 PM

my last tank i didnt even get 20mpg with my ace headers, but it was all city driving and short trips

Tcoat · 05-28-2018, 05:00 PM

There is no "normal". Everybody will have something different depending on how and where they drive.

murdoc · 05-28-2018, 07:23 PM

I get 21mpg on e85, I must drive like granny.

Whoodoo · 05-29-2018, 09:21 PM

I must be doing it wrong... I've never seen less than 29mpg on the dash

Somerandom18 · 05-29-2018, 10:32 PM

Mine always plummets with a fresh reflash then goes back to 29.4 on the dot every time.

Sent from my Pixel XL using Tapatalk

NRXRaptor · 05-29-2018, 11:37 PM

I'm running OFT stage 2 tune UEL headers and when my tank went from full to 1/8th remaining I had covered 300 miles. Probably could have gone at least 30 more miles. I drive a mix of city and highway, but its all short trips

DeltaEcho · 05-30-2018, 12:00 PM

So far running OFT Stage 2+
Let me preface that I drive conservatively. Here are the averages I have been receiving.
City: 22-26 mpg
Highway: 26-30 mpg
Highway Cruise Control: 30-34 mpg
Error of Margin [+ or -] 2 mpg

Soloside · 05-30-2018, 03:49 PM

Turbo and rarely ever get into boost and only average sub 20 (18s-19s) on pump gas.

Sad life.

bfrank1972 · 05-30-2018, 06:45 PM

Depends on a lot of factors:

- heavy foot
- nervous foot (lots of on off), no cruise
- lots of short trips, motor not warmed up, even if short highway, this makes a big difference
- proportion of highway to city
- terrain, hilly or flat
- tire pressures and tires to a minor degree
- oil viscosity to a minor degree

Sent from my SM-N920V using Tapatalk

05-28-2018, 03:02 PM	#1
stlgrym3 Senior Member Join Date: Nov 2011 Drives: 2017 Subaru BRZ Limited Location: socal Posts: 562 Thanks: 72 Thanked 51 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Is my mpg normal? Mine has OFT stage 2+ tune with tomei EL header, right now I’m getting 23.5mpg mix driving with 60% street and 40% highway. It was about the same when the car was unmodded. Does this number look low or normal?

05-28-2018, 03:26 PM	#2
carsebuco How do I shift? Join Date: Nov 2016 Drives: '13 GBS BRZ Location: AZ Posts: 376 Thanks: 399 Thanked 129 Times in 92 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Based on personal experience, it sounds about right. I ran 31mpg on stage 1, about 22 on stage 2. __________________

05-28-2018, 05:00 PM	#6
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,841 Thanks: 61,656 Thanked 108,294 Times in 46,456 Posts Mentioned: 2499 Post(s) Tagged: 50 Thread(s)	There is no "normal". Everybody will have something different depending on how and where they drive. __________________ Racecar spelled backwards is Racecar, because Racecar.

05-30-2018, 03:49 PM	#12
Soloside -Phil's BIGGEST FAN BOI Join Date: Jan 2016 Drives: 2014 Greddy Turbo BRZ Location: Philadelphia Posts: 678 Thanks: 19 Thanked 205 Times in 133 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Turbo and rarely ever get into boost and only average sub 20 (18s-19s) on pump gas. Sad life. __________________ 2014 Subaru BRZ Don't follow your dreams, follow my instagram www.instagram.com/soloside

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05-28-2018, 04:37 PM	#3
Impureclient Banned Join Date: May 2015 Drives: 2015 FR-S Location: NPR, Florida Posts: 2,404 Thanks: 1,802 Thanked 2,903 Times in 1,282 Posts Mentioned: 25 Post(s) Tagged: 2 Thread(s)	You must be driving it too easy, grandpa. OFT with custom tune and UEL here and I get 20 mpg. Mine is almost exclusively city driving though. If I take it easy, which I rarely do, it will be closer to 25 mpg. Highway and taking is 35+ mpg though.

05-28-2018, 04:39 PM	#4
mav1178 Senior Member Join Date: Apr 2013 Drives: 2005 Toyota Camry Location: 91745 Posts: 6,562 Thanks: 493 Thanked 6,097 Times in 3,029 Posts Mentioned: 95 Post(s) Tagged: 3 Thread(s)	How are you measuring this MPG?

05-28-2018, 04:42 PM	#5
Breadman Senior Member Join Date: Jul 2017 Drives: 2017 BRZ w/PP Location: Pa Posts: 1,027 Thanks: 51 Thanked 302 Times in 225 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	my last tank i didnt even get 20mpg with my ace headers, but it was all city driving and short trips

05-28-2018, 07:23 PM	#7
murdoc Sometimes I'm wrong. Join Date: Mar 2013 Drives: '13 FR-S/'96 240SX Location: Frederick, MD Posts: 366 Thanks: 92 Thanked 316 Times in 152 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	I get 21mpg on e85, I must drive like granny.

05-29-2018, 09:21 PM	#8
Whoodoo Member Join Date: Apr 2018 Drives: '15 BRZ, Vortech supercharger Location: Binghamton, NY Posts: 36 Thanks: 0 Thanked 9 Times in 8 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I must be doing it wrong... I've never seen less than 29mpg on the dash

05-29-2018, 10:32 PM	#9
Somerandom18 Senior Member Join Date: Sep 2016 Drives: 2017 manual BRZ Location: USA Posts: 467 Thanks: 322 Thanked 178 Times in 111 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Mine always plummets with a fresh reflash then goes back to 29.4 on the dot every time. Sent from my Pixel XL using Tapatalk

05-29-2018, 11:37 PM	#10
NRXRaptor Senior Member Join Date: Aug 2016 Drives: BRZ Location: Mendocino County Posts: 369 Thanks: 7 Thanked 96 Times in 75 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I'm running OFT stage 2 tune UEL headers and when my tank went from full to 1/8th remaining I had covered 300 miles. Probably could have gone at least 30 more miles. I drive a mix of city and highway, but its all short trips

05-30-2018, 12:00 PM	#11
DeltaEcho Senior Member Join Date: Nov 2017 Drives: 17BRZ Limited TS Location: South NJ Posts: 123 Thanks: 7 Thanked 4 Times in 4 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	So far running OFT Stage 2+ Let me preface that I drive conservatively. Here are the averages I have been receiving. City: 22-26 mpg Highway: 26-30 mpg Highway Cruise Control: 30-34 mpg Error of Margin [+ or -] 2 mpg

05-30-2018, 06:45 PM	#13
bfrank1972 Senior Member Join Date: Jul 2013 Drives: 2013 FR-S Argento Location: Westport,CT Posts: 1,855 Thanks: 517 Thanked 1,041 Times in 616 Posts Mentioned: 7 Post(s) Tagged: 1 Thread(s)	Depends on a lot of factors: - heavy foot - nervous foot (lots of on off), no cruise - lots of short trips, motor not warmed up, even if short highway, this makes a big difference - proportion of highway to city - terrain, hilly or flat - tire pressures and tires to a minor degree - oil viscosity to a minor degree Sent from my SM-N920V using Tapatalk

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