The MK6 Fuel Consumption (Most / Least per Tank) Thread

**flappa** · 07-09-2010, 12:06 PM

Started out approx 7.4/100 equates to about 700k's per tank.

recent trip from Canberra to Sunshine Coast averaged about 7.7/100.

Trips around Canberra day to day , averaging about 9.3/100

**blanch0b** · 07-09-2010, 12:59 PM

this is great stuff guys, really useful.. this can be an obsession if u start to take it analy, i mean, well, you know what i mean

im struggling to get 500km out of a tank (with about 5l to go) but it is a brand newie (only filled up twice now) so havnet even hit the 1k mark.... i take it fuel economy gets about 10-1%ish+ better after the first few thousand kms?

**flappa** · 07-09-2010, 01:49 PM

I've found very little difference , from new to now (8000k's), whether Its me or my wife driving , using auto or manual changes (DSG).

I certainly haven't babied the GTI since getting it, but I haven't just coasted around either.

The difference between say 80kph and say 115kph in fuel , I found to be marginal , maybe 0.2 - 0.4/100k's. Its about the same if my wife is driving against my driving , and whether I use straight auto or use the manual function.

Around Canberra I average about 9.5/100 , my wife averages about 9.3/100. I believe the Book says city average is about 10/100 so I'm OK with that.

I didn't buy the GTI with fuel economy in mind, but I'm also not in the habit of just chucking money away.

**Nath** · 07-09-2010, 09:29 PM

great little app for the iphone (and related apple stuff) called AccuFuel has been a help to me, best so far is in the high 8.xl/100km around Sydney commuting so pretty happy.

**hooba** · 07-09-2010, 09:49 PM

In my GTI the best I've seen on the MFD is 5.8L/100km (!), and tonight I did around 65kms of mainly freeway driving and got 6.7L/100km despite not driving for economy.

**MurphyTheElf** · 08-09-2010, 12:32 AM

After almost 15,000kms (will be booking my service tomorrow), my long-term average is 8.3l/100kms. I do mainly short trips, but with quite a bit of freeway driving as well. Around town I have a fairly heavy foot, but I don't exactly test the ESP at every green light. I primarily use manual-mode, down-shifting when slowing and up-shifting well past where the DSG would in standard auto mode.

A couple of long rural trips have been thrown in for good measure, usually averaging around 6.5 - 7.0 over the course of a 700km round trip. I still get that economy despite the fact that I overtake fairly often, and when I do, it's foot to the floor to reduce the time I'm on the wrong side of the road.

**prise** · 10-09-2010, 11:38 PM

Originally Posted by brad

This probably sounds stupid but I get the best economy if the ambient temp is around 22-28 degrees. I have no idea why.

I have a theory that there is an optimum temperature for fuel economy which changes depending on the speed.

- If the temperature is high then the air-con will start to hurt the fuel consumption.
- If the temperature is low then the car takes longer to warm up, colder bearings, tyres, etc give more rolling resistance and the denser air creates more aerodynamic drag.

So the optimum temperature will depend on your trip length and the type of driving.

**MSR** · 23-11-2010, 02:25 PM

I always like to know just what I can get away with if I really have to so ran the first tank out of the GTI till the trip meter was saying 5 km to go and got nearly 52 litres in till the first cut off on fast fill. Managed to get 54 in it on half flow without overflowing it. Yes I know I'm not supposed to go past the fast fill cut off.

Would I be correct in assuming when VW says its a 55 litre tank I can actually use 55 litres? The STi claimed 60 litres but by 54 you were walking.

Once I hit 0 km and the bottom of the gauge is it pretty much game over or is there a 20km or so idiots margin???

Not planing on a regular thing but its nice to know exactly what you can do if you get caught out in the country.

**Transporter** · 23-11-2010, 04:24 PM

Originally Posted by MSR

Once I hit 0 km and the bottom of the gauge is it pretty much game over or is there a 20km or so idiots margin???

Not planing on a regular thing but its nice to know exactly what you can do if you get caught out in the country.

Most likely it's not going to be the same amount that will be remaining in your tank at every time when the needle hits "0" and you could be stranded without the fuel.

I always fill up when I have a 1/4 of the tank remaining and I monitor the km's I do before the needle hits 1/2 and 1/4 and it is always within 50-70km