Thread: fuel usage and litre/100km

I have been checking mine for ages now (TD5) & I get a woeful 12-13.5 on average. I have no idea why it's so bad. I have a 2"lift with bull bar & AT's but that shouldn't make it that bad. Have spent many hours on the net trying to find ways to improve it

Hmm - he got better fuel consumption not worse - 9l/100km to 7l/100km which is an improvement.

He is saying 7 km per ltr, not 7 ltr per 100km.

Well it's a 4.6V8 to start. I don't know, last thing to do is swap ECU after that buy shares in BP

Originally Posted by 3lud13

But as I'm still getting used to how much fuel it goes through I am still recording how far i get between filling up. It usually works out about 9ish litres per 100km but last night when I filled up and did the maths it worked out about 7 litre per 100.

Originally Posted by landiematt

Hmm - he got better fuel consumption not worse - 9l/100km to 7l/100km which is an improvement.

He is saying 7 km per ltr, not 7 ltr per 100km.

I read the original post as quoted above as l/100km. Landiematt I am not sure where you are getting km/litre from.

Originally Posted by clubagreenie

Yeah.

Come back when you're getting 38/100

I think your vehicle has an addiction problem!

Originally Posted by landiematt

Hmm - he got better fuel consumption not worse - 9l/100km to 7l/100km which is an improvement.

He is saying 7 km per ltr, not 7 ltr per 100km.

As gary pointed out I ended up getting better economy last night which seemed strange have only fueled up 3 times so is hard to know where the error is yet but it just seemed very stange.
On highway driving home after purchase I got 9.79ltr/100km
bit of highway and around town driving got 9.46ltr/100km
and then last night with offroad and highway driving was 7.50ltr/100km

I understand that in a diesel you don't particularly get better fuel economy on the highway and given the disco 1 size thats understandable, plus I have heard the mileage between highway and town doesn't vary as much with diesel as it does petrol.
But then with last nights off road adventure I would have expected it to go up to high 9 or even 10 litres however it ended up going down and considering how much mud we had to push through and with some very steep slow climbs it seems strange to have gone down.

I'm just trying to understand why so as to make trip planning in the future easier as not much worse than having to cut your trip short due to not allowing enough fuel

I suspect it will end the end be a measuring issue however a 300tdi will be out of its comfort zone at freeway speeds - will be on the downward side of the power curve and likely to be close or if not on the downward side of the torque curve.

Depending on the terrain and if not a lot of gunning was required, when offroad the engine may very well be operating at its optimum toque particularly if you are going slow and just chugging along.

Sand work and very steep climbs will definitely use more fuel but more moderate 4wding at slower 30kph type speeds may very well give better fuel consumption.

All I would do is take note and see if it is consistent in the future.

Garry

Sorry I thought you were referring to bushy.

My bad


Matt