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Chrysler 300M MPG Real World Numbers

19 messages,  Last post on Sep 12, 2007 at 3:54 PM

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What is this discussion about? Chrysler 300M, Fuel Efficiency (MPG), Sedan

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#10 of 19 Re: Chrysler 300M: MPG-Real World Numbers [redcar4] by funroads Oct 25, 2006 (4:10 am)
Replying to: redcar4 (Jun 11, 2006 7:16 pm) Ouch! I average just under 19 mpg in my 2001 300M. I have a 20 minute daily commute and do very little extended highway driving. When gas is pushing $3 that's painful and it makes me want to dump the M. Right now with gas near $2 it's not so bad. Replies to this message: naatz1 (Oct 29, 2006 6:05 pm) udo4accept (Nov 02, 2006 3:18 pm) jayrider (Nov 03, 2006 7:21 am) naatz1 (Nov 06, 2006 5:55 pm)
#11 of 19 Re: Chrysler 300M: MPG-Real World Numbers [funroads] by naatz1 Oct 29, 2006 (6:05 pm)
Replying to: funroads (Oct 25, 2006 4:10 am) 19 stop & go mpg is not that bad, we get that around town too. This is a big engine and fairly heavy car. I get around 25 mpg during highway extended driving ... sometimes a bit more if no AC and the wind is behind us, but sometimes less if we are pushing it over 70+ mph. And yes it's nice being closer to $2.20/gal now too. Replies to this message: udo4accept (Nov 02, 2006 3:18 pm) jayrider (Nov 03, 2006 7:21 am) naatz1 (Nov 06, 2006 5:55 pm)
#12 of 19 Re: Chrysler 300M: MPG-Real World Numbers [naatz1] by udo4accept Nov 02, 2006 (3:18 pm)
Replying to: naatz1 (Oct 29, 2006 6:05 pm) i get 23 - 28 MPG in my 99 300. i have loved this car since day one and still love it as much today. this is by far the best car i've ever owned! Replies to this message: jayrider (Nov 03, 2006 7:21 am)
#13 of 19 Re: Chrysler 300M: MPG-Real World Numbers [udo4accept] by jayrider Nov 03, 2006 (7:21 am)
Replying to: udo4accept (Nov 02, 2006 3:18 pm) How many miles do you have on your M ?
#14 of 19 Re: Chrysler 300M MPG by quietflyer Nov 03, 2006 (9:58 am)
I get between 24 and 26 MPG on my '99 300M in mostly highway driving. I commute 80 miles a day mostly on the interstate with maybe 7 miles of that on side roads with some stop lights. My 300M currently has 132,000 miles. I use regular gas as I have found no advantage to using higher octane gas. I bought the car 3 1/2 years ago with 38,000 miles on it. I always check the gas mileage when I fill up because I have found the MPG average on the display to be about 0.4 MPG optimistic. I keep a record of all fill ups and will total that up to get my mileage over the time I have owned the car. I will post that when I do.
#15 of 19 Re: Chrysler 300M: MPG-Real World Numbers [naatz1] by naatz1 Nov 06, 2006 (5:55 pm)
Replying to: naatz1 (Oct 29, 2006 6:05 pm) For completeness since this forum seems to have gained some interest again, on a 200 mile freeway trip this weekend on my 04M with 32,000 miles I got 27mpg through fairly flat western Wisconsin I90 doing 70mph (don't like to go more than 5mph over posted even though many are doing much faster and it is tempting with this car!). That is about best case: no wind, 55deg, no AC obviously, cruise on, 2 people in car with maybe another 150 lbs luggage, reg 87 octane gas.   Upping the mph a bit in MN with hills and higher limits cut it to 25mpg which is what is normal. Around town commuting at 19+. Still not bad for a big car with oomph.
#16 of 19 Re: Chrysler 300M MPG by stu7 Dec 31, 2006 (3:43 pm)
I have had mine for five years and get 20 MPG in the city and have gotten 30 MPG on the highway (at 60 MPH). I use 87 octane and the car runs fine.
#17 of 19 Chrysler 300M MPG Total by quietflyer Mar 21, 2007 (5:42 pm)
Sorry to take so long to get back to this. I finally totaled up all my fuel purchases and mileage. I now have 140,900 miles on my '99 300M. Adding up all the fuel I've pumped I calculated 24.79 MPG for the 102,000 miles I have driven. I am still using regular 87 octane gas. I don't drive hard but do stay with traffic at 70 or higher.
#18 of 19 Computer-calculated MPG by richb64 Sep 11, 2007 (1:43 pm)
I normally keep track of mileage by filling up the tank and dividing the number of miles (using the trip odometer) by the gallons of gas purchased. I've noticed that this is normally 2-3 MPG better than what the onboard computer has calculated. Replies to this message: naatz1 (Sep 12, 2007 3:54 pm)
#19 of 19 Re: Computer-calculated MPG [richb64] by naatz1 Sep 12, 2007 (3:54 pm)
Replying to: richb64 (Sep 11, 2007 1:43 pm) I checked mine on a trip 2 weeks ago and saw the same: computer said 24.5 mpg average for 200+ miles but the odometer and fuel fill showed 26. At least reality is BETTER than the computer. For what it's worth, I just got 27.9 on the same Madison WI to Rochester MN return trip this past Sunday ... 70mph in WI and 75 in MN, minimal use of AC, 4 adults but a -fully- packed trunk. I am very happy with that in this size of vehicle and engine.

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