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Chrysler 300/300C: MPG-Real World Numbers

50 messages,  Last post on Oct 10, 2008 at 1:16 AM

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What is this discussion about? Chrysler 300, Chrysler 300C SRT-8, Fuel Efficiency (MPG), Sedan

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#19 of 50 Re: 25.3MPG in 300 Touring. [cerberus300] by kevm14 Oct 25, 2005 (6:20 am)
Replying to: cerberus300 (Oct 24, 2005 5:00 pm) Fuel mileage calculations have NOTHING to do with the fuel level indicator. Any mileage calculated that was based on needle position is completely erroneous. Calculate from how much it takes to top off the tank and how far that gas took you. Replies to this message: daphod74 (Sep 05, 2007 11:05 am) xtec (Sep 05, 2007 3:19 pm) coolrunning (Jun 23, 2008 12:43 pm) and 3 more...
#20 of 50 More MPG figures from 300 Touring and a question. by cerberus300 Nov 22, 2005 (2:51 pm)
After a journey this weekend from Portland, Oregan to Vancouver, B.C of 324 miles stopping in Seattle for a break and walk about, the needle on fuel guage was resting exactly over 1/4 tank (68 litre tank) so guessed at 51 litres to refill. Pumped in 51.292, so guage is quite accurate allowing for a little fuel in the pipe. This equates to: 23.9 MPG (US gallon) or 28.7 MPG (Imperial gallon). Not too shabby as the car was fully loaded with 5 people and all their luggage.   Can anyone out there clarify which is the Worldwide "Official" MPG calculation, if there is one - US gallon or Imperial gallon? Replies to this message: sls002 (Oct 12, 2006 8:03 am)
#21 of 50 300C MPG in San Diego by elmartio Dec 28, 2005 (6:58 am)
Just thought I'd share my MPG records. I have just over 7,000 miles on my 300C. Overall, I have averaged 15.5 MPG so far. I make a short trip to work, and the area I live in (and San Diego in general) in pretty hilly. This is actual calculated mileage, not based on the trip computer, but I've found the trip computer to be quite accurate. My best trip was 22 MPG. I think I get just about the 25 MPG claimed on the freeway, but that's under perfect, level, 60 MPH conditions. When you get off the highway, the mileage suffers. I think that for most people, in typical urban driving that would include more highway miles that I do and fewer short trips, that averaging 17 MPG would be about right. I'm skeptical of claims of more than 24-25 MPG on trips, as I said I think that 25 is the most you can hope for, and that's under optimum conditions.
#22 of 50 EXCELLENT MILEAGE FOR A HEMI by rooster8 Dec 28, 2005 (9:20 pm)
I OWN A 2006 300C AND EXPERIENCE GREAT MILEAGE FOR A 4000LB VEHICLE. I LIVE IN THE COUNTRY SO I DON'T HAVE FIGURES FOR CITY DRIVING. DRIVING AROUND THE HILLY STATE OF PENNSYLVANIA AT 55-60MPH I GET 20MPG.ON TRIPS TO THE ADIRONDACK MTS. OF N.Y. I GOT 26MPG.ON THE LAST LONG TRIP TO MICHIGAN ON FLAT FREEWAY I WAS GETTING 26MPG AT 70MPH. WHEN I GOT IN MICHIGAN AND JUMPED TO 75MPH THE MILEAGE DROPPED TO 23MPG.THE COMPUTER CALCULATIONS AND MY CALCULATIONS IN THIS CARE MIRROR EACH OTHER. THAT IS NO JUMP STARTS AND DRIVING LIKE THE OLD MAN THAT I AM (57) Replies to this message: KarenS (Dec 29, 2005 1:03 pm) rooster8 (Dec 29, 2005 9:10 pm)
#23 of 50 Re: EXCELLENT MILEAGE FOR A HEMI [rooster8] by KarenS HOST Dec 29, 2005 (1:03 pm)
Replying to: rooster8 (Dec 28, 2005 9:20 pm) It would be greatly appreciated if you did not use all capital letters when posting. It is difficult to read and appears as though you are SHOUTING.   Thanks for your cooperation! Replies to this message: rooster8 (Dec 29, 2005 9:10 pm)
#24 of 50 Re: EXCELLENT MILEAGE FOR A HEMI [KarenS] by rooster8 Dec 29, 2005 (9:10 pm)
Replying to: KarenS (Dec 29, 2005 1:03 pm) sorry
#25 of 50 300C MPG in southern Wisconsin by greyfox1 Dec 30, 2005 (7:37 pm)
Took delivery of 2006 300C in May of this year. Did a little calculating after filling the tank today and found that I have averaged 19.1 MPG for 10,303 miles. Included in these miles are a 2600 mile trip to South Dakota, Wyoming and Montana (quite a bit of 75-80 mph cruising), several 200 mile trips locally and a whole lot of town driving (less than 45 mph).   I agree with kevm14 (post #19), if you don't keep track of the quantity of fuel used and the miles driven over a period of time and then calculate MPG the estimates can be quite erroneous.   I think the on-board computer is quite accurate, but you can make the numbers look really good if you reset it when you are driving under those ideal conditions.
#26 of 50 Re: 25.3MPG in 300 Touring. [cerberus300] by kpeppard Dec 31, 2005 (5:58 pm)
Replying to: cerberus300 (Oct 24, 2005 5:00 pm) I fail to understand how anyone can compute mpg by looking at their gas gauge. If you have a 300 Touring ( as I do ) the mpg or litres per 100 km are done for you. Using the gas gauge is an exercise in futility. By the way, I've only had my 2006 300 Touring a little over a month and the only trip we've made gave us 9 ltrs per 100 km which equates to about 30 mpg - we love the car. Happy New Year!!

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