Home > General (L405) > Fuel economy of your full fat |
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horse86 Member Since: 09 Dec 2014 Location: PA Posts: 860 |
14-15mpg on the SC 5.0 V8 2014 FF Autobiography 5.0 SC
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20th Apr 2021 2:59pm |
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MonkeyMan Member Since: 20 Apr 2021 Location: Ascot Posts: 133 |
Having just calculated how far my first full tank got me, Im getting 25mpg. Thats slightly worse than the car tells me, but on par with an old Jaguar XJ8 that I had beforehand, so to get the same file economy for something twice the size is fine with me. I didn't buy this car to save money on fuel |
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20th Apr 2021 6:30pm |
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MPx Member Since: 29 Jul 2011 Location: South Somerset Posts: 580 |
Interesting to me how the engines have become more efficient while getting much faster. MPG has always been a non-factor in vehicle selection for me - I came to Fullfats from a 5.4V8 F150 Anniversary. Got about 14 or 15 out of that. Anyway, FWIW:
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20th Apr 2021 7:28pm |
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horse86 Member Since: 09 Dec 2014 Location: PA Posts: 860 |
^^ no idea how you are getting 20+ mpg from the Ford SC 5.0 V8.....you must be near 100% highway. Typical is 15mpg range 2014 FF Autobiography 5.0 SC
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21st Apr 2021 11:45am |
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DrF Member Since: 30 Jun 2014 Location: South East Posts: 1365 |
I dont mean to be rude, but i run two SV Autobiography Superchargers and i dont care!! I fill it up when it needs it!! |
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21st Apr 2021 11:55am |
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alanm_3 Member Since: 19 Feb 2011 Location: my House, unless I’m not at home, in which case I’m somewhere else. Posts: 6714 |
Having just overhauled my back brakes, I've gone from about 16 to 21
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21st Apr 2021 1:06pm |
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MPx Member Since: 29 Jul 2011 Location: South Somerset Posts: 580 |
You're right of course that type and style of driving are crucial to the figures. Its easy to get into single figures if you live in a city and accelerate hard from all the stops. I live in the middle of nowhere so its a long way to anywhere I may want to go. No short journeys helps. Also we have other cars for other tasks so the FF is mostly used for long runs when the comfort is appreciated and I'm not ragging it. I've not towed with the SVA yet, but MPG would fall to about 15 or 16 when towing (car or plant) with any of the L322s - much the same in any of them. But I don't think our different experience is all about type and style of driving - I'm guessing you're comparing US gallons vs UK gallons ?? Add another 25% of fuel to yours and the figures would look similar to mine. Mike - MPx 2017 5.0 V8 Supercharged SVAutobigraphy Dynamic SVO Palette Grey (2021-...) 2012 5.0 V8 Supercharged Autoboigraphy Orkney Grey (2017-2021) 2007 4.2 V8 Supercharged Vogue SE Tonga Green (2012-2017) 2002 4.4 V8 Vogue Bonnatti Grey (2008-2012) |
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21st Apr 2021 10:24pm |
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scotsjon Member Since: 02 Mar 2021 Location: highlands Posts: 43 |
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22nd Apr 2021 6:18am |
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Dixy Member Since: 09 Apr 2009 Location: Somerset Posts: 1090 |
I am amazed at the figures some of you are getting. Either you have very light right feet or your computers lie with impunity. I tend to brim fill every time from close to empty and reset the trip, I then do mental maths and my Euro 6 SDV8 is a consistent 27 +/-2 all its 66,000 miles.
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22nd Apr 2021 7:05am |
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Martin2 Member Since: 15 Jun 2020 Location: Northamptonshire Posts: 763 |
That’s broadly what I get Dixy.
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22nd Apr 2021 6:13pm |
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scotsjon Member Since: 02 Mar 2021 Location: highlands Posts: 43 |
Not really, maybe 200ft different
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22nd Apr 2021 6:39pm |
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MonkeyMan Member Since: 20 Apr 2021 Location: Ascot Posts: 133 |
this! I saw a thread recently where someone broke down costs of ownership into depreciation and fuel costs. The answer came out as: just get the maddest engine you can afford, because the fuel difference is maybe £20-£40 a week, and if you are quibbling over £1-2k a year on these beasts, then you are cutting off your nose to spite your face. Years ago I had a Jag XJS V12. On a good day it gave 15 mpg (18 once I did a manual gearbox conversion). It was totally worth it to hear then engine start up every day. |
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25th Apr 2021 6:10pm |
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Merchy Member Since: 14 Feb 2021 Location: North Wales Posts: 1173 |
Scotsjon quoted that he got 41.9 on a recent run Well done Sir.
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25th Apr 2021 7:50pm |
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horse86 Member Since: 09 Dec 2014 Location: PA Posts: 860 |
True....I was thinking US gallons. Side note....I was pleasantly surprised I still got 15MPG this past weekend towing the fiberglass bass boat 4 hours (mostly all highway). 2014 FF Autobiography 5.0 SC 2008 FFRR (sold) 2008 BMW M5 |
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26th Apr 2021 6:38pm |
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