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#1
26th August 2014, 01:10 PM
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The A8 MPG Thread!
Well, I have to say I'm now three months into ownership of my Audi A8, and although I have not had the smoothest introduction to the marque due to a few niggles I have to say that I'm very happy with it. I bought the car to accompany my work which is basically a "Transporter" although I don't have the muscles of Frank Martin, and I'm not able to kill endless amounts of east European henchmen!
 However I do quite a few miles and although I wanted comfort, the MPG's on my working vehicle was also important as I charge per mile so it only makes sense to make sure that I get the best possible profit for every job. So I thought I would start the Official Audi A8 MPG thread, where those of us can give examples of their weeks driving and the results in MPG's of what they achieved. From this we could then look at things like remaps before and after, and whether or not there is truly some sort of benefit on a fuel basis to this modification or any other for that matter.  So yesterday I had a contract to get two packages to Bristol Airport. I managed to start from Cornwall (my home) and I set the cruise control to a steady 70 mpg's when on the dual carriageway, and off when not. and after the 6 hours and 16 minutes of driving where my average speed way at 49 mpg's, my standard 3.0 TDi V6 managed to cover the 382 miles averaging at 40.3 mpg's which I have to say for a car weighing in at 1,990 kg's I was more than happy with.  With the current Gallon rate costing me £6:09 and a mileage cost based on my economy of just 15.11 pence per mile, I would suggest that the Audi A8 3.0 TDi makes for an affordable car.  If others can add a brief description of what their Audi A8's are doing this will give us all an over view of the realistic economy from the various engine put in these cars by Audi. Might even help others to purchase one of something else that they believe to be more economical.   Regards, Mark.
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Registration: 2 WXG (Private plate from 1962 Model: MY 2008 08 3.0TDI Quattro Sport, Black on Black (Transporter Edition) Lowered 60mm on drop link bars. Alloys swapped out to RS6 style 20" x 9.5". It's got full tints on all windows, and has the black leather interior. Remapped by Elite Automotive in Cornwall, giving an increase output to 290bhp/450lbs. Options: Keyless Entry & Start, Bluetooth Hands Free, Quad Zone Climate, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Black Leather Comfort Seats, AMI, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons. Future Plans: Selling my current Audi A8 Quattro Sport and replace is with a newer D4 Audi A8L with the 4.2V8 Twin Turbo setup once again it must be black. I'm looking for one with the options added where it has the rear recliing seats, with heated outers. Bose speakers minimum and B&O's if affordable. Rear and back door sun blinds prefered. Planned Mods: Upon the arrival of my A8L D4, I will be once again having the ECU remapped to a performance setting over economy. Rear Tints as dark as can go whilst also tinting the front windows with a medium tint. Once again I will be purchasing lowering links for the air ride suspension and setting it at 55mm lower when in comfort as my desire rideheight over standard. Alloys will be 21" however the one current most likly to be the next car already has a brand new set of 2016 S8Plus wheels on it. My Business: "The Transporter - Cornwall" find us on Facebook or download the Smart phone application by clicking the link below. http://TheTransporter.appsme.com 
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#3
26th August 2014, 06:30 PM
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However I'm not so sure I like the idea that it throws in my face how much money that I've spent in fuel... I purposely keep bills apart so that when adding them up I know I have never got the total of what things cost  I think it would seriously worry me how much fuel I get through in year, all the revenue and tax gone to the government for them to waste  I've noticed that you average is quite a bit lower that the mid to late 30's and early forties that I get from my 3.0 tdi, I thought the fuel economy from the Diesel V8 was better than that, I was under the impression it was within 10-15% of the 3.0 TDi  Regards, Mark
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Registration: 2 WXG (Private plate from 1962 Model: MY 2008 08 3.0TDI Quattro Sport, Black on Black (Transporter Edition) Lowered 60mm on drop link bars. Alloys swapped out to RS6 style 20" x 9.5". It's got full tints on all windows, and has the black leather interior. Remapped by Elite Automotive in Cornwall, giving an increase output to 290bhp/450lbs. Options: Keyless Entry & Start, Bluetooth Hands Free, Quad Zone Climate, 3 Spoke Sports Tiptronic Multi Function Steering Wheel, Black Leather Comfort Seats, AMI, Drivers & Passenger Electric Memory Seats, Auto Dimming Mirrors, Bi-Xenons. Future Plans: Selling my current Audi A8 Quattro Sport and replace is with a newer D4 Audi A8L with the 4.2V8 Twin Turbo setup once again it must be black. I'm looking for one with the options added where it has the rear recliing seats, with heated outers. Bose speakers minimum and B&O's if affordable. Rear and back door sun blinds prefered. Planned Mods: Upon the arrival of my A8L D4, I will be once again having the ECU remapped to a performance setting over economy. Rear Tints as dark as can go whilst also tinting the front windows with a medium tint. Once again I will be purchasing lowering links for the air ride suspension and setting it at 55mm lower when in comfort as my desire rideheight over standard. Alloys will be 21" however the one current most likly to be the next car already has a brand new set of 2016 S8Plus wheels on it. My Business: "The Transporter - Cornwall" find us on Facebook or download the Smart phone application by clicking the link below. http://TheTransporter.appsme.com
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#4
26th August 2014, 07:08 PM
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A lot more than the tank's capacity 20.77 US Gallons would be 79 liters - that I can believe. Mark, the onboard computer MPG figure is not very reliable... you'll want to calculate the actual MPG yourself between fill ups. In my 4.2TDI I get typically around 28mpg average, with mix of town and motorway. On a Motorway only it will be a lot higher of course, but I've never done a full tank on motorway only. The computers says 35mpg average on a motorway. Oh and I never do 70Mph on cruise control, more like 80 
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Audi A8 D3 2006 - 4.2 TDI in Phantom Black
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#5
26th August 2014, 07:58 PM
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I think it displays whatever YOUR web browser is set to on the Fuelly page. Mine is displaying UK gallons and litres and yes, the last fill was 73.2 litres.
I have had as low as 24 mpg and as high as 36 mpg. That DIS thing on the dash is useless really. It gives you a vague, general ball park figure, but you have to measure and calculate the old fashioned way to be accurate. I always fill to the brim and record the mileage. It's very accurate and indeed it does make you realise just how much you're burning. No doubt I could get her up into the 40s, but I don't lose sleep over it. I'd have bought Prius if I were that way inclined. For the performance of the thing I think 30 - 35 mpg is quite acceptable.
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Lee 2017 Nissan Leaf Tekna
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#8
27th August 2014, 07:45 AM
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In my case all I can say is that in my dictionary there is no such a word like economy, good mpgs or any of that. Yes, it is not 5.2 or 6.0, but it's not 1.2 Fiesta. I do not drive to work, I work about 20m to work, I don't do high mileage at all, but I still spend in the region of £4200+ on petrol ....and I'm happy, happy happy happy, especially when I can smell petrol each time filling up On motorways, it's very very very very very hard to stick to one speed or drive in CC mode. Min speed would be 80. Motorway mpgs. If I stick to 70 then approx 30-32mpg. Usually 26mpg. City. average 12-16mpg, on a quiet day 18mpg Twice I decided to went through a murder and I drove across London 36miles one way (morning time 6:30am-7:40am and afternoon 1pm-3:20pm), to check my best mpgs around city. 1st to 2nd @ 2000rpms, and other gear after that, shift up @ 1500-1600rpms, MPGS: 23 and 22
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 2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten
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#9
27th August 2014, 08:36 AM
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After driving an S8 for over 12 years I just don't think about it, apart from the occasional glance at the DIS for amusement. When I can't afford it, I'll reluctantly stop. Same with drinking good beer in the pub. (The two activities are largely mutually exclusive)
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant. 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
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#10
27th August 2014, 09:46 AM
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Lee 2017 Nissan Leaf Tekna
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