v8 fuel economy

MarkMill · Aug 14, 2013

I've not long bought a 1999 Discovery 3.9 v8 auto. My question is about fuel economy. I regularly do a short journey to work of about 6 miles on urban side roads. In about a month from now I will be moving house.

From my new home I'm going to be traveling about 18 miles but mostly on a Motorway. Will my Disco use much more petrol than I'm using now because the extra mileage will be cruising along at a constant speed? Anyone got any experience on how these v8's do on runs?

gemsdad · Aug 14, 2013

MarkMill said:
I've not long bought a 1999 Discovery 3.9 v8 auto. My question is about fuel economy. I regularly do a short journey to work of about 6 miles on urban side roads. In about a month from now I will be moving house.

From my new home I'm going to be traveling about 18 miles but mostly on a Motorway. Will my Disco use much more petrol than I'm using now because the extra mileage will be cruising along at a constant speed? Anyone got any experience on how these v8's do on runs?

it wont have time to have warmed up properly,so it wont be running efficiently.so in other words it will use loads of fuel,they are not known for their fuel economy.plus it is an auto so another thing to make it less fuel efficient.

landowner · Aug 14, 2013

MarkMill said:
I've not long bought a 1999 Discovery 3.9 v8 auto. My question is about fuel economy. I regularly do a short journey to work of about 6 miles on urban side roads. In about a month from now I will be moving house.

From my new home I'm going to be traveling about 18 miles but mostly on a Motorway. Will my Disco use much more petrol than I'm using now because the extra mileage will be cruising along at a constant speed? Anyone got any experience on how these v8's do on runs?

I used to get 12 on a run in 110 defender 3.5 and about 15 from Rangy 3.9 on injection

Oldseadog · Aug 15, 2013

V8 ... Economy???

:5bbeatdeadhorse5::5bnopity:

:hysterically_laughi :hysterically_laughi:

goonarmy · Aug 15, 2013

The auto box will lock up at 53mph i think so find a lorry and sit behind it. I used to do this in m rangie and got a solid 25mph. Wowsers.

gemsdad · Aug 15, 2013

goonarmy said:
The auto box will lock up at 53mph i think so find a lorry and sit behind it. I used to do this in m rangie and got a solid 25mph. Wowsers.

goony,do you mean 25 mpg??

goonarmy · Aug 15, 2013

Er yeah. :confused2::doh:25 mph at 56mph doesnt make any sense.

gemsdad · Aug 15, 2013

goonarmy said:
Er yeah. :confused2::doh:25 mph at 56mph doesnt make any sense.

not really no.

MarkMill · Aug 16, 2013

Looks like I'm going to be using the girlfriends car to work then! Keep the Discovery as a weekend car.

discomark10 · Aug 16, 2013

MarkMill said:
Looks like I'm going to be using the girlfriends car to work then! Keep the Discovery as a weekend car.

thats what i do lol!

goonarmy · Aug 16, 2013

18 mile comute wont cost much.

gemsdad · Aug 16, 2013

goonarmy said:
18 mile comute wont cost much.

will be a gallon each way though.

fanatic · Aug 16, 2013

gemsdad said:
will be a gallon each way though.

lol 9mpg was worst I got and reckon 12-14mpg unless bumper to bumper then 9mpg

goonarmy · Aug 16, 2013

gemsdad said:
will be a gallon each way though.

Possibly. Id hope for more but wouldnt know. If in flowing traffic id hope to get into twenties as an average but aint great in comparison to decent modrn mpg figures for euroboxes etc.

fanatic · Aug 16, 2013

goonarmy said:
Possibly. Id hope for more but wouldnt know. If in flowing traffic id hope to get into twenties as an average but aint great in comparison to decent modrn mpg figures for euroboxes etc.

more like 17mpg - if your lucky

gemsdad · Aug 16, 2013

fanatic said:
more like 17mpg - if your lucky

well his trip is 18 miles,so roughly a gallon each way then.

D90mitch · Aug 16, 2013

Smiles per gallon not miles per gallon

JDE64 · Aug 16, 2013

I do 12 miles to work, mix of town and country roads. Average over the week around 18mpg in 4.0 Rangey

scotchgit · Aug 17, 2013

I use mine every day short journeys to work and I get about 12 mpg but I didn't buy a v8 for its economy , just put the stuff in and enjoy the ride !

urena · Aug 19, 2013

id never have another

v8 fuel economy

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