Fuel Efficiency

[DougGlover]

For the first two tanks in my 2nd hand Tig 110TSi Man (now approaching 14,000 kms), I have indicated 6.6 but actually measured 6.8l/100. Still very happy.

[Aus_fas]

I have just done my first monitored refuel of the 140TDI Tig. Total kms - 536, 34.9 litres = 6.5 litres / 100kms.


This involved 300km driving from Canberra to Sydney plus 236 driving around Canberra.


I monitored the trip to/from Sydney uing the AID. For both trips I had ECO set plus I used the ACC set at 110. For the trip to Sydney I achieved 5.6 l/km and from Sydney to Canberra I achieved 6.1 l/km.


This small difference is actually important. The trip to Sydney is downhill. This means there is many more opportunities to use the 'coasting' feature of ECO. I believe the coasting is probably the most significant contributor to ECO fuel consumption. When driving in Canberra it is surprising how many times the car will coast and when it does you can see the average consumption go down.


I think the coasting is more significant than changing up the gears early, and more significant than the start-stop. It would be interesting to hear others experience and comments.


Using 5.6 l/km for the trip to Sydney we can work out that for the 236 km in Canberra there was an average consumption of 7.6, which is probably about right when compared to the average consumptions being displayed on the AID.


Overall I am very happy with the fuel consumption so far.

I get 8.0 in Canberra with my 140tdi. Have done 30k so far.
Canberra Sydney is normally 6.4

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