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Acura TSX Real World MPG Numbers

221 messages,  Last post on Sep 21, 2009 at 2:10 PM

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What is this discussion about? Acura TSX, Fuel Efficiency (MPG), Sedan

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#168 of 221 Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc] by biker4 Jul 10, 2007 (7:30 am)
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. Replies to this message: nj2pa2nc (Jul 10, 2007 11:08 am) biker4 (Jul 10, 2007 12:36 pm)
#169 of 221 4500 Mile Update by thomcin Jul 10, 2007 (7:51 am)
Highway mileage 34 Town Mileage 24 Combined mileage 31 Best Tank full 35 Worst Tank 28 Replies to this message: kts62 (Aug 21, 2007 5:37 pm)
#170 of 221 Re: Regular Unleaded vs. Premium Unleaded [biker4] by nj2pa2nc Jul 10, 2007 (11:08 am)
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. Replies to this message: biker4 (Jul 10, 2007 12:36 pm)
#171 of 221 Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc] by biker4 Jul 10, 2007 (12:36 pm)
Replying to: nj2pa2nc (Jul 10, 2007 11:08 am) Obviously you don't get it - so there's no point in discussing this further.
#172 of 221 Gas Mileage Test by strawbs1 Jul 10, 2007 (8:06 pm)
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. Replies to this message: biker4 (Jul 11, 2007 5:21 am) fedlawman (Jul 11, 2007 5:39 am) astropup (Jul 26, 2007 11:24 am)
#173 of 221 Re: Gas Mileage Test [strawbs1] by biker4 Jul 11, 2007 (5:21 am)
Replying to: strawbs1 (Jul 10, 2007 8:06 pm) I don't quite understand this statement but I agree that more testing is needed. My statement was based on the best test I've seen to date - the one I quoted. Replies to this message: fedlawman (Jul 11, 2007 5:39 am)
#174 of 221 Re: Gas Mileage Test [biker4] by fedlawman Jul 11, 2007 (5:39 am)
Replying to: biker4 (Jul 11, 2007 5:21 am) It was a good effort, but I saw a few issues with that test you linked. Here are a couple off the top of my head:   Test 1 and Test 3 were both done at 55 MPH, but one had cooler temps and a headwind, and the other had warmer temps and a tailwind.   Test 1 and Test 2 appear to be from the same stretch of road (on the same day even), but Test 2 was done at a slower road speed.   I agree with your thinking though. The only way to compare 87 octane and 91 octane economy is to do it with the same car, on the same road, under the same environmental conditions.   It's meaningless to try and compare a TSX in NJ that gets 41 MPG on 87 octane and a TSX in San Francisco that gets 22 MPG on 91 octane.
#175 of 221 Re: Gas Mileage Test [strawbs1] by astropup Jul 26, 2007 (11:24 am)
Replying to: strawbs1 (Jul 10, 2007 8:06 pm) Not surprising with an n of 3. Yep, you'll need more trials for a good statistical test. But, I respect the geekitude.
#176 of 221 Re: Regular Unleaded vs. Premium Unleaded [nj2pa2nc] by blueeyedmurder Jul 30, 2007 (10:30 am)
Replying to: nj2pa2nc (Jul 10, 2007 5:24 am) For shame. "I can't drive 55" is NOT a Van Halen song, it's a solo by that sham of a lead singer they hired after David Lee Roth left the band. NEVER confuse solo Sammy Hagar with Van Halen. Further, with him at the helm, the band was "Van Hagar" and only a shell of its former incarnation. Replies to this message: nj2pa2nc (Aug 07, 2007 9:14 am)
#177 of 221 Reg -vs- Pre fuel by mrgold35 Jul 30, 2007 (12:35 pm)
If you drive the TSX well below its performance envelope (around town, cruise control on level highway, light loads in the car, etc) all you need is regular fuel. You will not see much of a difference in mpgs.   If you drive your car closer to its performance envelope (sprints to redline, very spirited driving on mountain switchbacks, full load in the car, etc), then you need 89 or 91 octane to squeeze the max performance from the k24 engine.   I do most of my traveling in New Mexico, Arizona, and Colorado at altitudes from 1100 feet to +11,000 feet. I-70 westbound mountain pass around Clear Creek, west of Denver, is at 11,013 feet. Put 87 octane in your TSX and hit that stretch of road. Run your mileage test in this environment and then you will see a “statistically significant” change in your mpgs/power/performance.   Choose the fuel that best fits for your driving environment/habits. Replies to this message: nj2pa2nc (Jul 31, 2007 4:17 am)

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