mpg - Page 2

Dave Goody · 21st December 2012, 16:40

My V6 190 does about 25 booting it, 28 all round, 32 on a run. Brim to brim calculation. Dave

Synchromesh · 21st December 2012, 16:48

My wife's 2.0 V6 manual does 28-32 mpg. Perhaps your calculation is not accurate because you are using small sample sizes. Try a full tank brim to brim.

SD1too · 21st December 2012, 18:08

Quote:

Originally Posted by tdearn

I used an online calculator.

Tom,

That's the reason you're getting such a low figure. As Synchromesh and Dave Goody say, the only accurate way is using the brim-to-brim method on as close as you can get to a full tank. Do that first.

Simon.

Dorset Bob · 21st December 2012, 18:15

Quote:

Originally Posted by SD1too

Tom,

That's the reason you're getting such a low figure. As Synchromesh and Dave Goody say, the only accurate way is using the brim-to-brim method on as close as you can get to a full tank. Do that first.

Simon.

I agree. If the fuel consumption is still rubbish, get the VIS motors checked out second.

:xmas-smiley-031::xmas-smiley-031:

dons1983 · 21st December 2012, 19:12

Thanks for the help guys. will do a brim to brim test. Im surprised my supposed top of the range model does not have an mpg computer!

SD1too · 21st December 2012, 19:23

The computer wouldn't offer an advantage. They have a 'correction factor' which needs to be decided and stored. Need I say more? Stick with the old fashioned brim-to-brim: it's reliable!

Simon.

Plezier · 22nd December 2012, 10:27

I did a brim to brim check just after getting my 2.5 Auto and got a result of 29 mpg and that's with non functioning VIS motors and the rattling intake.

Have since fitted a non rattling intake but have not gotten working VIS motors as yet.

I did notice that upping the tyre pressures a couple of pounds to 32 PSI made a difference.

MangoMan · 22nd December 2012, 10:35

Hi, seems a bit heavy for 'careful' driving.....

I have the same 2.0 litre sedan and on long journeys with a mix of Motorway, A-Road & B-Road, eg. Southampton to Weymouth, driving normally within limits I get 37-39 mpg. Around town doing the usual trip to town, down the shops etc. 4-8 miles I get between 26-29 mpg. And I've been getting this since I got the car just over 2 years ago.

NB. Mentioning tyre pressures, I put 2.5 front & 2.4 rear. That's bar.

Cheers.

pab · 22nd December 2012, 10:47

Quote:

Originally Posted by Dorset Bob

I agree. If the fuel consumption is still rubbish, get the VIS motors checked out second.

:xmas-smiley-031::xmas-smiley-031:

Totally agree, you can expect a drop of between 5-8 MPG with duff VIS motors, especially a failed Balance.

With a fully functional pair I've managed 34 MPG on a run, with a brim test.

SD1too · 22nd December 2012, 12:10

Quote:

Originally Posted by Plezier

... gotten ...

Quote:

Originally Posted by MangoMan

... sedan ...

Sorry, I don't speak American.

Simon.

21st December 2012, 16:40	#11
Dave Goody This is my second home 15 years of 75s & ZTs now an XTrail Join Date: Nov 2006 Location: Danbury, Essex Posts: 3,761 Thanks: 18 Thanked 88 Times in 56 Posts	My V6 190 does about 25 booting it, 28 all round, 32 on a run. Brim to brim calculation. Dave __________________ ZT 190 X Power Grey The Only Colour is this Dark Silver!! When I was a kid I was scared of earwigs because I thought they actually lived in your ears. I was even more terrified of cockroaches!

21st December 2012, 19:23	#16
SD1too Doesn't do things by halves Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007 Location: Former Middlesex Posts: 20,505 Thanks: 1,587 Thanked 3,749 Times in 3,181 Posts	The computer wouldn't offer an advantage. They have a 'correction factor' which needs to be decided and stored. Need I say more? Stick with the old fashioned brim-to-brim: it's reliable! Simon. __________________ "Whatever is rightly done, however humble, is noble." Sir Henry Royce.

22nd December 2012, 10:27	#17
Plezier I really should get out more....... Mercedes C Class CDI estate (2003) Join Date: Sep 2012 Location: Gradina Posts: 2,652 Thanks: 62 Thanked 137 Times in 119 Posts	I did a brim to brim check just after getting my 2.5 Auto and got a result of 29 mpg and that's with non functioning VIS motors and the rattling intake. Have since fitted a non rattling intake but have not gotten working VIS motors as yet. I did notice that upping the tyre pressures a couple of pounds to 32 PSI made a difference. __________________ Classic SE CDT sadly lost in a severe collision.

22nd December 2012, 10:35	#18
MangoMan This is my second home Looking.... Join Date: Oct 2010 Location: England Posts: 10,911 Thanks: 862 Thanked 1,111 Times in 868 Posts	Hi, seems a bit heavy for 'careful' driving..... I have the same 2.0 litre sedan and on long journeys with a mix of Motorway, A-Road & B-Road, eg. Southampton to Weymouth, driving normally within limits I get 37-39 mpg. Around town doing the usual trip to town, down the shops etc. 4-8 miles I get between 26-29 mpg. And I've been getting this since I got the car just over 2 years ago. NB. Mentioning tyre pressures, I put 2.5 front & 2.4 rear. That's bar. Cheers. __________________ *Regards, Bill - (MangoMan).* (Member 00854) http://i1110.photobucket.com/albums/...d.jpg~original Last edited by MangoMan; 22nd December 2012 at 10:38..

21st December 2012, 16:48	#12
Synchromesh Gets stuck in Rover 75 Saloon Join Date: Jan 2010 Location: Preston Posts: 626 Thanks: 50 Thanked 44 Times in 32 Posts	My wife's 2.0 V6 manual does 28-32 mpg. Perhaps your calculation is not accurate because you are using small sample sizes. Try a full tank brim to brim.

21st December 2012, 19:12	#15
dons1983 Gets stuck in 2005 Rover 75 and 2010 BMW 520 d Join Date: Nov 2012 Location: Birmingham Posts: 534 Thanks: 159 Thanked 15 Times in 15 Posts	Thanks for the help guys. will do a brim to brim test. Im surprised my supposed top of the range model does not have an mpg computer!