Jaguar World Monthly Forum

Lord Cat I've just arrived Offline Posts: 48 Gender:	XJ8 Juicy? 28.01.2012 at 11:50:40 Hello, I've sadly had a minor accident in my XJ40 and it's practically a write off. So it's proabbly time for a new Jag! I love the look of most XJ8's I've seen...I just wondered how these do for petrol consumption in comparison with my old XJ40? I was getting around 20 to the gallon on that! Hope someone can help.... Cheers
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SV8Predator Ex Member	Re: XJ8 Juicy? Reply #1 - 28.01.2012 at 20:33:44 I contantly leave the computer alone so that it gives my average fuel consumption since I've owned it. I don't reset it to see what I'm getting 'on a run,' etc. So my average is 20.1 mpg. And I think that seems to be fairly representative.
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Derek Smith I've just arrived Offline Posts: 3 Middlesex Gender:	Re: XJ8 Juicy? Reply #2 - 28.01.2012 at 23:25:11 I've found my XJ8 to give better fuel economy and performance than my XJ40 did as well as cheaper running costs (mind you I had an early one with the self levelling struts ) If you can be prepared to sit at 60 on a long journey I've got 35 mpg out of the XJ8
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SV8Predator Ex Member	Re: XJ8 Juicy? Reply #3 - 28.01.2012 at 23:40:37 Derek Smith wrote on 28.01.2012 at 23:25:11: If you can be prepared to sit at 60 on a long journey I've got 35 mpg out of the XJ8 But that's a pointless observation, in my opinion. What do you get on average, month after month? Certainly not 35mpg.
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Jacqueline Senior Member Offline Posts: 1749 Cleckheaton, West Yorkshire Gender:	Re: XJ8 Juicy? Reply #4 - 29.01.2012 at 00:19:24 If you sit at 60 MPG on a motorway you can get about 30 MPG out of a V12. That takes some patience though but can save massive amounts of fuel and therefore cost XJS that is
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Rolys mk10 Senior Member Offline BI-POLAR gone "tits up" Posts: 7384 forest of dean.glou/mon border Gender:	Re: XJ8 Juicy? Reply #5 - 29.01.2012 at 00:28:55 Jacqueline wrote on 29.01.2012 at 00:19:24: If you sit at 60 MPG on a motorway you can get about ~~30 MPG~~ out of a V12. That takes some patience though but can save massive amounts of fuel and therefore cost XJS that is Sounds like nonsense to me ....
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Lord Cat I've just arrived Offline Posts: 48 Gender:	Re: XJ8 Juicy? Reply #6 - 29.01.2012 at 21:31:54 All very interesting... Hopefully I'm correct in saying then that if I buy an XJ8 things wont get too bad as regards petrol..... At least not worse than I was used to with my old trusty XJ40!
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M80XJR Junior Member Offline Posts: 74	Re: XJ8 Juicy? Reply #7 - 29.01.2012 at 22:08:06 i get 18-20 out of my 4litre xjr it will do 23 on a long run but a normal xj8 will do more the 3.2 is only slghty better then the 4 litre
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JohnRout

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98 X308 Sport

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Re: XJ8 Juicy?
Reply #8 - 24.02.2012 at 07:07:14

It all depends how hard you drive. I've got a 2001 3.2 V8 Executive which is in daily use. That is return about 25mpg on average. On motorway work, it can reach about 30ish mpg. Only thing I have to watch out for is that the tank seems larger than other XJ8's I've had (somehow), but it does give me a range of 350 miles +

If it's any consolation, also got a 2004 4.2 XK8 and that averages about 26 mpg too.

I also find that keeping the fuel injectors clean too also helps Wink

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Brian

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east anglia
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Re: XJ8 Juicy?
Reply #9 - 24.02.2012 at 17:22:03

I find checking fuel consumption a depressing subject, fill the thing up and when its 1/4 full, fill it up again, enjoy the driving experience, after all
nobody buys a Jaguar V8 for the fuel economy. I used to own a V12 XJS conv 17 mpg on a good day, a lot less if enjoyed, but hey ho what price the grin factor Grin

If you fancy one, have it. Wink

All the best Brian

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1993 3.2 XJ40 & 1997 3.2 X300 executive

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SV8Predator Ex Member	Re: XJ8 Juicy? Reply #10 - 24.02.2012 at 20:23:21 Sensible post, Brian.
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Lord Cat

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Re: XJ8 Juicy?
Reply #11 - 13.03.2012 at 18:28:12

Brian wrote on 24.02.2012 at 17:22:03:

I find checking fuel consumption a depressing subject, fill the thing up and when its 1/4 full, fill it up again, enjoy the driving experience, after all
nobody buys a Jaguar V8 for the fuel economy. I used to own a V12 XJS conv 17 mpg on a good day, a lot less if enjoyed, but hey ho what price the grin factor Grin

If you fancy one, have it. Wink

All the best Brian

Too true

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1994 XJ6 3.2 Sport&&

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money_one_four Senior Member Offline Posts: 1402 Dartford Gender:	Re: XJ8 Juicy? Reply #12 - 14.03.2012 at 10:11:02 A lot better fuel economy than a Jensen Interceptor is all you need to know . The XJ8 I find to be very good on fuel consumption , it will surprise you (hopefully) Alan .
Back to top	Alan. S.S.O.C "a starship is for life not just for christmas " IP Logged

ng4xjs Senior Member Offline Posts: 1469 Kent Gender:	Re: XJ8 Juicy? Reply #13 - 14.03.2012 at 13:31:03 No one buys an old Jag with Fuel economy in mind, do they? Having said that my old X Type 2.5 V6 averaged about 30 which on the scale of things not much different to my Wife’s Toyota Yaris (34)! Nick
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Brian Senior Member Offline Posts: 739 east anglia Gender:	Re: XJ8 Juicy? Reply #14 - 14.03.2012 at 22:32:03 Perhaps you should tell the wife about 5th gear
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