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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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#125 of 221 Re: Nyack to Roanoke [fitzpa] by biker4 Dec 02, 2006 (8:16 am)
Replying to: fitzpa (Nov 29, 2006 8:27 pm) One could top 40MPG in a TSX on a highway trip at posted speed limits. Replies to this message: nj2pa2nc (Dec 05, 2006 11:57 am) biker4 (Dec 06, 2006 5:27 pm)
#126 of 221 Re: Nyack to Roanoke [biker4] by nj2pa2nc Dec 05, 2006 (11:57 am)
Replying to: biker4 (Dec 02, 2006 8:16 am) i drove my tsx at the posted speed limit ( set the cruise control on 70 (the speed limit) and drove 200 miles. the mpg was 35.6. getting a little better. car is now 2 weeks old with just over 3,000 miles. still loving it especially the nav. and xm radio. Replies to this message: biker4 (Dec 06, 2006 5:27 pm)
#127 of 221 Re: Nyack to Roanoke [nj2pa2nc] by biker4 Dec 06, 2006 (5:27 pm)
Replying to: nj2pa2nc (Dec 05, 2006 11:57 am) An 04 TSX owner carefully documented a road trip on which the best mileage occurred right around the old US speed limit of 55mph - almost 42MPG. At both slower and faster speeds the mileage was lower. 36mpg sounds about right for a steady 70mph.
#128 of 221 Re: Acura TSX Owners: MPG-Real World Numbers [KarenS] by jsandberg77 Jan 02, 2007 (11:14 am)
Replying to: KarenS (Jun 02, 2005 9:21 am) I recently purchased an '06 TSX, 6 sp navi. I was returning from my parents place in my TSX and decided to fill up at a station where I've gotten better-than-average gas mileage with my wife's car ('04 RX330). It turns out they didn't have premium gas, so I filled up with 89 octane. I was expecting a drop in mileage because of this, but I was hoping that this would be offset by the better mileage that I had seen in my wife's car.   The remainder of the trip was about 150 miles, and I ended up getting better than 34 mpg. Usually, I'll get mileage of about 32 mpg (according to the car computer) on premium (93 octane). I'm confused as to why the mileage was that much better on 89 octane. Is the gas at this station so much better than other stations I've filled up at? I've heard that, while premium fuel is required is required for the TSX, cars, in general, run best on their intended gas type. This is 91 octane for the TSX. In my area, you rarely see 91 octane. Premium gas is 93 octane, and mid-grade is 89 octane. Could it be that the TSX runs just as well on 89 as 93, and the rest of the mileage improvement is due to higher quality gas? Replies to this message: abhiutd (Jan 02, 2007 11:45 am) biker4 (Jan 02, 2007 12:30 pm)
#129 of 221 Re: Acura TSX Owners: MPG-Real World Numbers [jsandberg77] by abhiutd Jan 02, 2007 (11:45 am)
Replying to: jsandberg77 (Jan 02, 2007 11:14 am) As far as i remember, for TSX 91 octane is recommended (not required) and i have seen people using 89 regulary without any complains whatsoever. I'm just amazed at the other person who mentioned 42 mpg on TSX.How is it even possible? My best has been 33 (total highway miles at 75-80mph)   cheers! Replies to this message: biker4 (Jan 02, 2007 12:30 pm)
#130 of 221 Re: Acura TSX Owners: MPG-Real World Numbers [abhiutd] by biker4 Jan 02, 2007 (12:30 pm)
Replying to: abhiutd (Jan 02, 2007 11:45 am) It is very difficult to find a flat road and then do 55 mph for a long enough stretch to make the measurement meaningful - but if you could, 40mpg+ is achievable. During that same test that person got around 38mpg at 64mph and 39mpg at 50mph. There's a reason why 55 mph was chosen in the 70s as the US speed limit.   Using the MID to gauge millage could be misleading - real millage should be computed between fill ups by measuring millage/gal of fuel. Lots of factors could have contributed to the slight increase from 32-34mpg and the gas could be one of them. BTW if you mix 93 and 89 just right you'll end up with the recommended 91.
#131 of 221 Here is real world experience for you. by henry3 Jan 18, 2007 (12:15 pm)
I drive just over 40 miles each way to work, 5 days a week. The largest stretch is around 25 miles long with average speed somewhere in between 65-80 mph, using best gasoline available from any given station. The rest is on a more crowded roads, average speed probably around 40-50 mph. I average 27-28 miles per gallon constantly. I am in my 30's now, with little kids, so I value my life and don't think I push the car hard, but I like to drive rather quick, usually ending up on the left lanes. Stating the car makes 35 miles per gallon or more is ridiculous unless you're driving in a straight line, at a set speed, perfectly matching best possible scenario. Come on, we're supposed to be talking real world here, or are we not. Replies to this message: nj2pa2nc (Jan 18, 2007 3:02 pm) nj2pa2nc (Jan 22, 2007 2:49 am)
#132 of 221 Re: Here is real world experience for you. [henry3] by nj2pa2nc Jan 18, 2007 (3:02 pm)
Replying to: henry3 (Jan 18, 2007 12:15 pm) I can do that-route 40 in north carolina- speed limit is 70 mpg. straight and flat. I set the cruise control to 73. Not much traffic. Get 35+ mpg using regular gas. Had two other car that said premium gas and used regular in them- sold both-one had 250,000 miles and the other had 105,000 miles and ran excellant. Replies to this message: nj2pa2nc (Jan 22, 2007 2:49 am)
#133 of 221 Re: Here is real world experience for you. [nj2pa2nc] by nj2pa2nc Jan 22, 2007 (2:49 am)
Replying to: nj2pa2nc (Jan 18, 2007 3:02 pm) On Saturday I took my tsx on a 70 miles round trip drive- traffic lights (managed to get almost all red lights) traffic in some areas, speed limit 55. Gas mileage 32-33 mpg.
#134 of 221 real world... by henry3 Feb 01, 2007 (12:05 pm)
Fine, then I will assume my driving has something very special to it, or my car is different than yours, because from filling up the tank to running on empty, the average fuel usage as being reported never gets better than 28 MPG. And the good thing is, it never gets much worse either

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