Is it me or am i really noticing Chevron Techron 93 lasts alot longer in my TL compared to the other places i get it at like Shell, and Valero.

Anyone else notice something about getting gas from different companies?

 

Havent tried no other 93 but BP's

 

I only have 91 available and don't notice a difference regardless of brand.

 

dunno. normally fill up with shell 93. always heard that was the best

 

i see no difference in 87, 89, 91, or 93

regardless, i always use 91.

 

I actually felt a difference in the cars pickup. Normally i always get Shell but it runs out ridiculously fast for me. And my day to day route + driving style is pretty much the same

 

I noticed we don't have 93 available here. 91 is the highest. Since I've never used anything but Chevron 91, I couldn't say.

 

Only use Shell and Chevron. No difference.

 

Around here Mobil gas is the best ( and a little bit pricier than the other brands).
I basically switch between Hess gas and Mobil gas week after week.
Always get premium which does seem to help the TL run better.

 

91 is the highest octane you'll find in California (unless you get racing gas)

 

Just a thought, OP, but could it be that the Chevron pumps have a shut-off mechanism that simply puts more gas in the tank before cut-off? Or does your experience mean that you're getting more miles per gallon (MID and hand-calculated) with Chevron gas?

 

I average 25.7 mpg using Phillips 66 93 octane in my 08 Type S 6mt. I fill up at the exact same pump #11 each and every time and stop at the first click. That is with no highway miles all just far suburban driving. Gets me about 360ish miles to a tank right when range says 0 and about 13-14 gallons goes into it at fill up.
I can try a different brand for the heck of it and see what happens.

James

 

more miles per gallons, i'm filling up the same price pretty much for wherever i get gas from it's always in the middle of the fuel line.

I really wanna go test it out

 

I miss the days of gas without ethanol... and <$1.00/gal....

Either way though, I just look at whatever the highest octane rating is for whatever state I'm passing through. I stopped looking at the prices. It just depresses me.

If you can make a habit out of stopping at a toptiergas.com retailer, then good on you.

 

+1

 

I have found no difference. I can get both 91 and 93 because Sunoco stations here carry four grades of gas (87, 89, 91, and 93); there is also a Wawa station down in Dale City that carries 92 (which was the standard grade of super around here until the early 1990s). I tend to use the Sunoco 91 most often because the Sunoco about a mile from our house has the best price, because the 91 is 2¢ a gallon cheaper than the 93, and because I have noticed absolutely no difference in how the car runs on the two grades. But I wouldn't go out of my way to get the 91 octane if it weren't so convenient.

Lately I've been using Shell 93 more often because the Shell stations in the DC area have a deal with a local supermarket chain (Giant) where you get points when you use your Giant Bonuscard (supermarket loyalty card) and for every 100 points you get 10¢ a gallon off at the pump. I'm not a big fan of Giant as a grocery store, especially the one here in Kingstowne because it doesn't have cart-return corrals in the car park, but the gas discount is too valuable over time to resist, especially with two cars that require super (my TL and my wife's RSX Type-S). I have noticed no difference at all in how the car runs on the Shell versus the Sunoco.

The only real difference for me is, as usual, city driving versus highway driving.

 

I tested my car when they changed the gas to summer fuel this past April and I noticed I getter better miles with Chevron, than Kroger,Costco, and especially Quik Trip..Maybe because Kroger,Costco, and Quik Trip uses the same gas, but it is a big difference.

 

I take mine to Kroger and use premium (mid) grade. I get same mileage if not better than if I use super premium (highest) grade . I think in Texas it is 87, 91, 93...

 

In houston, its 87, 89, 93.

 

dang, now i feel like i've been feeding my acura garbage.... i only put in 89 from shell

never tried anything less, but my fwiw my dad used to have an 04TL and once i "borrowed" it and got caught bc i put 87 in it.... The engine made a whole lot of noise, and my dad busted me. Now, i have my own

 

^put premium, sir.
your wallet will thank you.

 

Do you mean that its better for the engine over time, or did I just make that up?

After reading this thread, it looks like i'm the only cheap-skate that puts in less than 90 octane!

Going to try 93 shell V-power for the rest of the month, I'll report back

 

the engine has a high compression ratio of 11:1. it needs 91octane or better. if anything less, the fuel will detonate early, causing the ECU to pull timing, thus your fuel economy and performance will suffer.

 

So you're telling me "you're doing it wrong?"

Thanks for the explanation man, I really appreciate it. V-power here I come!

 

I have put 87 in for 8 years with no problems.

 

^thats what you think.
the fact is that 2004-2008 TL's have an engine compression ratio of 11:1.
a lower octane will knock.

 

I average around 26 mpg, with no knock. It was also what the dealer recommended. I see people averaging around the same as I. If the fuel would happen to detonate early, wouldn't that substantially inhibit my fuel economy? I don't believe if it really matters unless it is the 3.5 Type S

 

keep putting in 87


the 3.2 has the same compression ratio as the 3.5


I hate cars has monitored knock on a 3.2, he found a mixture of 100 and 93 octane to make 96 completely stopped knock.

 

That's absurd..

 

keep putting in that 87

 

Its even worse than that justnspace. Our engines are actually 11.5:1 I do believe.

 

Oh, I will continue to. Rest assured. j32 ftw

 

i only fill up with bp 93. here in Minnesota we have a few to choose from, 87,89,91,92,93. has anybody ran non-oxy premium? Just kinda curious because its also 93 octane.

 

you've been driving since you were 10?

 

Ha yes... But it was my parents car before mine to clarify.

I researched and with 87 the ecu combats the pre-detonation/any problems by changing up the air-fuel mixture. This will not affect the mpg but might have a slight performance loss. As with any higher octane fuel, it would be expected.

 

^oh god. 18 year old messing up a nice car. Do some research, search on AZ.

Put 91/93.

 

i always put BP's or Shell's 89. It's got the same octane.

 

LOL at people thinking they get significantly different gas mileage from one brand to another.

Think its true? Next time you're empty, let your spouse, friend, girlfriend, whatever go and fill your car up, and not tell you where its from. Try it a couple times and see if you can spot a statistically significant difference.

 

How much do you/your parents drive a year?

If you drive 20K miles a year which may be high then with 87 you are spending about $2800 a year on gas at $3.60 a gallon.

I have gotten gotten nothing less than 27 mpg and 31 on highway. Granted it is just 3000 miles. Let's call it a 28 mpg average. That means for the same amount of miles you are saving $16 a year with 87 octane vs. 93 but you are losing what you call just performance.

(20000/26) x 3.60 = $2769
(20000/28) x 3.90 = $2785

Sounds smart.

 

lol