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Acura TL Real World MPG

333 messages,  Last post on Nov 07, 2009 at 8:03 AM

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

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#302 of 333 Actual MPG by rvator4 Dec 03, 2008 (12:40 pm)
Just back from a 2193 mile trip in a new 08 TL NAV base model. The on-board computer indicated 29, 30 and even 31 MPG for the entire trip. Actual MPG for the trip was 26.8, about 8% less than the 00 TL just 3 months ago(less HP). Miles on the car when we left was 876. Speeds were above the norm. Ran like a charm though. Did the return trip all in one day.
#303 of 333 variable mpg by zak_auto Dec 05, 2008 (12:53 pm)
I've had my '08 TL Type-S for a month now. On just highway driving around 75 MPH I get about 30-31 MPG. In a mix of highway & city driving I get about 26-27 MPG. With mostly city driving I get about 24 MPG. If I drive aggressively and mostly city driving I get a MPG in the low 20s. My last car was an RSX Type-S and the MPG didn't seem to jump around as much. The RSX was only a 4 cylinder though.
#304 of 333 Re: Acura TL Owners: MPG-Real World Numbers [KarenS] by djallen Dec 18, 2008 (1:34 pm)
Replying to: KarenS (Jun 02, 2005 9:25 am) Have a 2008 TL, over the last year my actual mileage has averaged 28 highway and 21 city.
#305 of 333 Range Discrepancy? by ponderpoint Dec 25, 2008 (6:05 pm)
The yellow fuel low warning light came on and then I started watching "range/miles" left to empty. I thought I was excruciatingly close to running out of gas (10 miles to empty) when I pulled into the gas station.   I filled up the tank and it only took 14 gallons! Owners manual says 17 or so total and this obviously would mean you would have a LOT more range left than indicated on the computer (at least 60 miles by my driving habits).   Does anybody know if the range indication has issues with accuracy? Is it "pessimistic" to keep the motorist out of trouble (stranded) and have a dumb factor built in or is it really accurate? Any techies know anything about it? It's an 06 TL and I always reset the trip computer at fill-ups.   Thanks.... Replies to this message: laurasdada (Dec 26, 2008 6:01 pm) aaargh (Jan 05, 2009 9:23 am) ponderpoint (Jan 07, 2009 11:45 am)
#306 of 333 Re: Range Discrepancy? [ponderpoint] by laurasdada Dec 26, 2008 (6:01 pm)
Replying to: ponderpoint (Dec 25, 2008 6:05 pm) '05 TL, same deal. I learned early on that the low fuel warning light comes on, well, early on... Better safe than walking...
#307 of 333 Re: How does TL calculate avg mpg? [dlake1] by rickpoole Jan 03, 2009 (8:46 pm)
Replying to: dlake1 (Nov 19, 2008 9:22 pm) The most explanation I've gotten is the computation is mostly based on manifold pressure. Seems like it would take a minor software update to make it much more accurate. But, I wonder how many sales they would have lost if it was accurate. I test drove the 07 TL three times in different traffic, different speeds, and different driving styles. Driving normally to conservatively resulted in a reading of 21-24 mpg and driving aggressively resulted in only 18 mpg . Given the inaccuracy it meant it really got 19-22 and 16. Given my requirement was no less than 20 mpg city it would have put the purchase in jeopardy unless the final price was lower to compensate for the lower mileage.
#308 of 333 Re: Range Discrepancy? [ponderpoint] by aaargh Jan 05, 2009 (9:23 am)
Replying to: ponderpoint (Dec 25, 2008 6:05 pm) Yes, it is very pessimistic. You do not want to foul the injectors with crud, so they want you to fill up well before empty.   This is the case for my '04 and I believe for every TL through '08. Replies to this message: ponderpoint (Jan 07, 2009 11:45 am)
#309 of 333 Re: Range Discrepancy? [aaargh] by ponderpoint Jan 07, 2009 (11:45 am)
Replying to: aaargh (Jan 05, 2009 9:23 am) "You do not want to foul the injectors with crud"   Well.... I guess that's why my mechanic says "NEVER EVER run out of fuel with a fuel injected car!!!! Thanks for the answer, I've pretty much concluded that there is range left when the computer is showing 10 or so miles. I'm not in the routine of getting that close anyway but it's nice to know in case of an emergency...
#310 of 333 by keithl Jan 11, 2009 (7:25 pm)
I have 2008 Type-S and over 12K miles am averaging 22.4, I had another 2008 Type-S before this one and avergaed 21.5 on that one. The differecne I think is the gas I use now. I used to use Chevron and Shell, great gas but I suspect numerous mom & pop statiosn are not real honest with calibrating their pumps. IOn this Type-S I use exclusevliy Quik Trip Premium and see better MPG all around. I have doen more HWY on this car, but tank by tank I still see at least .5 MPG better on Quick Trip. My 07 BAse TL with NAV over 11K miles averaged 22.5 MPG as well. I also only use Mobil1 5W20 Synthtic in my cars.

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