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What octane gas do you use?

R2D2

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City
Greenwood
State
SC
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United States
What I Drive
2008 Lexus is350, 2016 Tacoma
#1
Is everyone using premium gas or are there people out there using mid grade or regular?
 
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City
Perth
State
Non-US
Country
Australia
What I Drive
2021 Kia Stinger GT
#2
I would use premium as recommended and for better fuel economy.

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246
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Non-US
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Canada
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2018 Kia Stinger Limited
#3
I would use premium as recommended and for better fuel economy.

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Are you getting better economy with higher octane? My tests revealed only more power when using higher octane. I get the same economy per volume with 87, 91, or 93.
Definitely more power with 91 vs 87 (stock tune / no tune)
 
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City
Perth
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Australia
What I Drive
2021 Kia Stinger GT
#4
Are you getting better economy with higher octane? My tests revealed only more power when using higher octane. I get the same economy per volume with 87, 91, or 93.
Definitely more power with 91 vs 87 (stock tune / no tune)
I haven't got my car yet but will use premium when I do.

Even if fuel efficiency is going to be the same, I'll still use premium for power.

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spider55

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City
Coolidge
State
AZ
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United States
What I Drive
2019 stinger GT1
#5
I use Premium 91oct
 
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City
mountain lakes
State
NJ
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United States
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2020 Sringer GT AWD
#6
I also use 91 (premium) if I go to a Sunoco, I don't bother going higher.
To help in costs I try to go to Costco or use the BP or Shell apps to save a bit on the per gallon costs.

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State
Non-US
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2018 Kia Stinger Limited
#7
I also use 91 (premium) if I go to a Sunoco, I don't bother going higher.
To help in costs I try to go to Costco or use the BP or Shell apps to save a bit on the per gallon costs.

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Anything over 91 - with a stock car/ stock tune - is wasted $.
 
Messages
41
Reactions
6
City
Mccormick
State
SC
Country
United States
What I Drive
2019 GT2
#8
Only She’ll 91.
 
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79
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City
Needham
State
MA
Country
United States
What I Drive
21 Miata club (me), 19 GT1 (wife)
#9
Given GDI using top tier gas is probably more important than octane. I use Shell 91 in my wife's stinger. 93 for the miata more power :)
 
Messages
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City
Apple Valley
State
MN
Country
United States
What I Drive
2019 GT 2 AWD
#10
Costco Premium (91) is Top Tier and is the place I gas up whenever possible. Sam's Club (92) is my 2nd choice. Sam's is not Top Tier but they have their own additive package which is fine for the few times I get fuel from them.

Correction: Local Costco is 92 octane
 
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