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Author Topic: 1997 (R) Omega 2.5TDI Auto - MPG  (Read 1432 times)

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ahmedm99

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1997 (R) Omega 2.5TDI Auto - MPG
« on: 30 November 2007, 17:37:52 »
Hi there,
 
Thinking of buying 1997 (R) Omega 2.5TDI Auto. Its done around 200k miles. What sort of MPG can I expect driving around town in the day???????????
 
Any advice would be greatly appreciated............     :y
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MickAP

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #1 on: 30 November 2007, 17:50:34 »
My estate gets around 30 mpg doing short journeys, say 5 mile distance stop/start in traffic.
On longer journeys expect over 40+mpg depending on how you drive of course.
Mine is a manual though, the auto box versions of the TD don't mate well with the BMW engines, so I've read about on here.
Someone else more knowledgeble can comment on that one though.

Mick
« Last Edit: 30 November 2007, 17:52:13 by MickAP »
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Turk

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #2 on: 01 December 2007, 16:31:37 »
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TheBoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #3 on: 01 December 2007, 16:35:51 »
Quote
Hi there,
 
Thinking of buying 1997 (R) Omega 2.5TDI Auto. Its done around 200k miles. What sort of MPG can I expect driving around town in the day???????????
 
Any advice would be greatly appreciated............     :y
Very low I'm afraid. Diesels only come into their own when cruising, and the auto box around town kills MPG.

I wouldn't like to say a figure, but I currently get around 35mpg on a 25m commute each way, mostly constant 40ish mph.  At 80mph, I average high 40s.  I would suspect just town driving, low 20s?
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Pitchfork

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #4 on: 01 December 2007, 19:51:36 »
"I wouldn't like to say a figure, but I currently get around 35mpg on a 25m commute each way, mostly constant 40ish mph.  At 80mph, I average high 40s.  I would suspect just town driving, low 20s?"

I have never acheived over 34 mpg (& that was on a long run) so would be delighted to know how figures in the high 40's can be obtained
IW
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TheBoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #5 on: 01 December 2007, 19:58:32 »
Yeah, mines chipped, that helps.  If you have an AR25, you can't really chip yours - Omegatoy is the person to speak to about chipping.
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IrmscherKris

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #6 on: 01 December 2007, 20:12:52 »
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Diesels only come into their own when cruising, and the auto box around town kills MPG.

The torque when chipped makes up for that though.  :y
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Pitchfork

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #7 on: 01 December 2007, 20:44:23 »
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Yeah, mines chipped, that helps.  If you have an AR25, you can't really chip yours - Omegatoy is the person to speak to about chipping.
It's an AR25, that appears to have been 'looked at' at 30K miles
I have a receipt that states 'reseal', why that should have been required at such a low mileage is a mystery
It's now done 132K & has never given any problems save the time I filled the selector switch with water in the infamous 'drowning incident'
If it ever fails, I would replace with an AR35 then consider chipping
Is there no other way of improving MPG?
IW
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Omegatoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #8 on: 01 December 2007, 22:45:58 »
took the wifes sludgepump auto estate on a fair run today(god its gutkess compared to mine) did 268 miles after brimming it in bicester, went to same pump on return and brimmed it again
took 31.87 litres what does that work out to?
its totally standard except egr blanked and it blows at 2.05 bar on the turbo,
I know its thirstier than mine!!!!
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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #9 on: 01 December 2007, 23:07:14 »
Quote
took the wifes sludgepump auto estate on a fair run today(god its gutkess compared to mine) did 268 miles after brimming it in bicester, went to same pump on return and brimmed it again
took 31.87 litres what does that work out to?
its totally standard except egr blanked and it blows at 2.05 bar on the turbo,
I know its thirstier than mine!!!!
38mpg
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osealy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #10 on: 01 December 2007, 23:10:19 »
that's 38. Never ever got much more than 34. 3 cars 300k mls all auto est ,1 maf 2 not.
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Omegatoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #11 on: 01 December 2007, 23:13:32 »
Quote
Quote
took the wifes sludgepump auto estate on a fair run today(god its gutkess compared to mine) did 268 miles after brimming it in bicester, went to same pump on return and brimmed it again
took 31.87 litres what does that work out to?
its totally standard except egr blanked and it blows at 2.05 bar on the turbo,
I know its thirstier than mine!!!!
38mpg

blimey im impressed with that!!!!! it was a mixture of mainly a roads and one stretch of about 70 miles on motorway there and back so 130 mway miles in total,had she been here i could have asked her where the calculator is :'( but as she is in spain whipping the workers to get our place finished i couldnt!!! ::)
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TheBoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #12 on: 01 December 2007, 23:15:27 »
More than my average - 35mpg
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Omegatoy

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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #13 on: 01 December 2007, 23:34:03 »
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that's 38. Never ever got much more than 34. 3 cars 300k mls all auto est ,1 maf 2 not.

hers is Maf mine isnt
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Re: 1997 (R) Omega 2.5TDI Auto - MPG
« Reply #14 on: 02 December 2007, 10:14:51 »
Don't think the MAF makes much difference - just a more accurate way of measuring air rather than the simple temp method used on non MAF ones...
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