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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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#213 of 221 MPG numbers from my trip by abhiutd Jul 16, 2009 (8:26 am)
Last week i made trip to Niagara (440 miles) and set up the cruise for the first time at 61 and 71 on 55mph and 65mph limits respectively. Got an unbelievable mileage of 37.5 mpg (my manual calculation). Computer was reading 38.8 mpg. From now on i will be using cruise way more often on long trips. I have a 06 TSX Automatic, 25k.   cheers!
#214 of 221 2005 TSX numbers by kap2406 Aug 01, 2009 (4:37 am)
I haven't posted in this forum ever since I got my TSX w/o navi in 2005. Now that my family grew and I am considering buying an MDX, I re-discovered this forum Anyway, here is my record on the highway: I drove from Oak Harbor, WA to Grants Pass, OR on one tank of gas, the distance of 512 miles, using 15 gallons of fuel. Was doing 65 and 75, tire pressure was 33F/31R, with my wife and my two-year old daughter, and full trunk of crap for camping at LAke Tahoe. I don't have a trip computer, so I have to calculate everything on my own... That's over 34 MPG; but on average I get around 32.5 MPG on the highway, an I have noticed gas mileage improving over time. City driving is very subjective - I get around 23 MPG where I live, but I don't live in Manhattan, so I might face a lot less traffic then some of you .
#215 of 221 Consumer Report numbers at 55/65/75 by phx1021 Sep 12, 2009 (3:02 pm)
Consumer Reports recently ran a FE test of several vehicles, one of them being the 4cyl TSX, at constant speeds of 55, 65, and 75 mph. The numbers for the TSX were pretty impressive. 39.9 mpg 55 mph, 35.5 mpg 65 mph, and 30.7 mpg 75mph.   With numbers like these, I am strongly considering the TSX for my next car...even though I love the smoothness and power of having a V6. Replies to this message: 1bythesea (Sep 13, 2009 1:40 pm) 1bythesea (Sep 13, 2009 3:18 pm)
#216 of 221 Re: Consumer Report numbers at 55/65/75 [phx1021] by 1bythesea Sep 13, 2009 (1:40 pm)
Replying to: phx1021 (Sep 12, 2009 3:02 pm) I haven't been in a 4 cyl. engine in many years, with many vehicles, so I can empathize. I really thought I was going to have a problem going from the '07 RDX with the 240 hp turbo to the i4, but have been pleasantly surprised. I really don't miss it and the RDX was smooth and could fly. (Independent study thought the engine was closer to 260 ponies. Sure seemed like it.) I do love the savings at the pump compared to the RDX which was on the higher side of those average MPG numbers. All you can do is test drive it and see how it feels.   By the way, which month was the CR article in? Replies to this message: 1bythesea (Sep 13, 2009 3:18 pm)
#217 of 221 Re: Consumer Report numbers at 55/65/75 [1bythesea] by 1bythesea Sep 13, 2009 (3:18 pm)
Replying to: 1bythesea (Sep 13, 2009 1:40 pm) I should clarify, I haven't been in a 4 cyl. other than the RDX turbocharged. Huge engine difference, IMHO.
#218 of 221 Acura TSX Real World Mileage by 1bythesea Sep 20, 2009 (2:28 pm)
2010 4-cyl. TSX with 1390 total miles on the vehicle. 80% hwy/20% city, running the air conditioner, hwy speeds averaging 70 mph, my hand calculated mileage was 25 mpg while the computer was 27 mpg. Will keep checking it with the next two fill ups, but there does seem to be something to what other Acura owners are experiencing with the computer being higher than actual. Replies to this message: cdnpinhead (Sep 20, 2009 2:50 pm) obladida1 (Sep 21, 2009 8:30 am)
#219 of 221 Re: Acura TSX Real World Mileage [1bythesea] by cdnpinhead Sep 20, 2009 (2:50 pm)
Replying to: 1bythesea (Sep 20, 2009 2:28 pm) Thanks for the follow-up.   It may not have always been like this. The New Jersey fan has given us to believe that her vehicle displays what she calculates.   Lately, I don't think that's the case -- sad. The car gets very good fuel mileage. Why cheat?   Either way, I'll be awaiting your follow-up. I'm sure you'll enjoy the car.   The marketing people screw things up more often than not.
#220 of 221 Re: Acura TSX Real World Mileage [1bythesea] by obladida1 Sep 21, 2009 (8:30 am)
Replying to: 1bythesea (Sep 20, 2009 2:28 pm) I have an '07 and every fill up is 1-2 MPG lower compared to the computer. Sad to see that with all of the technological improvements they've made to the TSX, they still haven't fixed that glitch. That said, it's still nice to be averaging over 27.5 MPG for the 37,000+ miles I've driven so far. And that's SoCal/LA county/SF Valley traffic miles per gallon.
#221 of 221 Mileage computer by fedlawman Sep 21, 2009 (2:10 pm)
Jeez folks, it's not like there's an in-line fuel flow impeller in the fuel line measuring real-time fuel consumption. The computer estimate of fuel economy is just that - an estimate.   The computer has no idea how much fuel is in your tank, and neither do you at any given moment. Even after you fill up and hit the reset button, you can't assume you have the EXACT same amount of fuel every time. Every pump at every gas station has a different sensitivity for the vapor return, and even the same pump will stop at a different point depending on a zillion factors.   I think economy estimates off by just a couple MPG are very good, considering all of the variables involved.

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