- #163 of 221
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Re: Regular Unleaded vs. Premium Unleaded [jartist]
by nj2pa2nc
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Jul 08, 2007 (2:36 am)
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Replying to: jartist (Jul 07, 2007 10:26 pm)
most other poster will tell you that you should use premium gas as the manual recommends. It will loose horsepower with regular gas. My 06 tsx that I bought new 11/17/06 has almost 18,000 miles on it. I do use regular gas with excellant results-great horsepower and good gas mileage. I average 32-33MPG. One time I did get 41.6MPG but that was only one time. there has been alot of debate on this.
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- #164 of 221
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Re: Regular Unleaded vs. Premium Unleaded [jartist]
by biker4
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Jul 08, 2007 (11:07 am)
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Replying to: jartist (Jul 07, 2007 10:26 pm)
It's been mentioned many times - the cost savings from using regular is lost in an almost equal amount in lower mileage (assuming the typical 20 cent diff between premium and regular).
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- #165 of 221
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Re: Regular Unleaded vs. Premium Unleaded [biker4]
by nj2pa2nc
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Jul 08, 2007 (1:00 pm)
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Replying to: biker4 (Jul 08, 2007 11:07 am)
from reading what other's are getting I seem to get as good and even better mpg using regular gas-so i will continue.
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- #166 of 221
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Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc]
by biker4
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Jul 10, 2007 (5:00 am)
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Replying to: nj2pa2nc (Jul 08, 2007 1:00 pm)
You can't go by what others are getting - they don't drive like you and don't have your exact car. You'd have to try it in an apples-to-apples comparison. Again, when that was tried the mileage using regular was lower than using premium to the tune of the cost savings at the pump.
See the chart below done on an 04 TSX. Look at test 1 and 3. There could be a slight change for MY06 and later because of the different engine.
If you want to see the whole write up go here: http://tsx.acurazine.com/forums/showthread.php?t=23721
BTW, this also shows why the speed limits laws of the 70s are still applicable today - the best mileage is at the old double nickel limit.
And of course this is only a cost comparison - never mind the fact that the manufacturer recommends premium and that you make more power with premium.
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- #167 of 221
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Re: Regular Unleaded vs. Premium Unleaded [biker4]
by nj2pa2nc
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Jul 10, 2007 (5:24 am)
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Replying to: biker4 (Jul 10, 2007 5:00 am)
if I am not supposed to be comparing to what other's are getting then why are you? (no offense) I have an 06 tsx with 6 spd which I do not try to redline. I also gave up on my racing days. In my younger years (where did they go) I did get stopped for speeding many times (never got a speeding ticket-only warnings (knock on wood) as I have stated I get more than enough power. As you know most highway speed limits are higher than 55. As the Van Halen song goes I can't drive 55. I noticed you post what other people are getting-how many mpg do you get
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- #168 of 221
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Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc]
by biker4
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Jul 10, 2007 (7:30 am)
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Replying to: nj2pa2nc (Jul 10, 2007 5:24 am)
It has nothing to do with what I get - that's not the point here. The point is that with the MY04 TSX using the recommended premium will get you better mileage than using regular thereby eliminating most if not all of the perceived gains by the lower cost of regular.
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- #169 of 221
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4500 Mile Update
by thomcin
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Jul 10, 2007 (7:51 am)
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Highway mileage 34 Town Mileage 24
Combined mileage 31
Best Tank full 35 Worst Tank 28
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- #170 of 221
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Re: Regular Unleaded vs. Premium Unleaded [biker4]
by nj2pa2nc
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Jul 10, 2007 (11:08 am)
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Replying to: biker4 (Jul 10, 2007 7:30 am)
since I do not know what your mpg is I can not know whether it is better than what I am getting using regular gas.
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- #171 of 221
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Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc]
by biker4
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Jul 10, 2007 (12:36 pm)
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Replying to: nj2pa2nc (Jul 10, 2007 11:08 am)
Obviously you don't get it - so there's no point in discussing this further. 
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- #172 of 221
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Gas Mileage Test
by strawbs1
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Jul 10, 2007 (8:06 pm)
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I did a statistical test of the three MPGs from the 91 octane vs. the 38.1 MPG of the 87 octane and there was statistically no significant difference. To be sure, you probably need additional tests.
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