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XJ XJ6 / XJR6 ( X300 ) 1995-1997

X300 XJR what to look for?

Old 10-09-2018, 09:21 AM
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Default X300 XJR what to look for?

I usually post over on the X308 board as I have a 99 XJR but while perusing my local CL Jaguar section I came across an interesting car, a 95 XJR.
It looks good in the small pictures (not really a surprise), especially the interior and the seller mentions "minimal rust" which in these parts doesn't mean the same thing as "no rust".
The seller is also asking for significantly higher than kbb.com's suggested value (~2x) suggesting that these are appreciating in value.
I'm not sure I believe that's happening (it could happen but I'm not sure that's the case right now).
On my 99 X308 I've found plastic and rubber parts need close inspection. Things like fuel pumps, hood latches, door release cables, throttle bodies come up as common problem areas.
Are there X300 specific issues I should look for (head gaskets, oil leaks, cooling system, electrical weak spots, etc) on a middle aged cat?
Also the seller is stating the original asking price was $82k (US) which seems high as I thought my 99 XJR came with a $72k tag, just out of curiosity what would the original price for a mid 90's XJR have been?
I love my supercharged V8 but am intrigued by this blown straight 6.

Last edited by GGG; 10-11-2018 at 02:32 PM. Reason: Edit thread title
Old 10-11-2018, 08:32 AM
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Default X300 XJR what to look for?

Let's try this again. My original post seemed to collect a bunch of views but no responses so perhaps my title mis-targeted my audience.

There's a nice looking 95 XJR in my local area.
Although I love some things about my 99 X308 XJR it has some issues related to it's life prior to my driveway.
I'd look for another X308 XJR but am intrigued by the 95 with the blown 6.
I've seen a couple of X300 threads concerning a water pump hose bursting and would guess hoses on any old car should be inspected carefully.
The X308 people with experience say head gaskets are an X300 issue although I wonder if it's more to do with keeping up with coolant flush/ change intervals.
Are there other issues that I should be aware of when looking at a 95 XJR?

Old 10-11-2018, 10:08 AM
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No head gasket problems on x300, main issue is rust and coils, everything else is simpler than on x308, more robust too I'd say and easy to work with.

Remember that minimal rust can turn 10 times bigger than it looks. I'd look at the front floor to sill joint as this seems to be the worst and most difficult to fix(read terminal)

Everything else can be fixed relatively easy, inc rear wheel arches. The basterd hose you're referring to is indeed a devil invention, can be tricky to replace on N/A engine, I bet its way more difficult on SC. Other than that always have a spare crankshaft position sensor with you and you should be ok to drive it to the moon and back.

I think original X300 SC cost ~50k GBP so you're not far off with the price in $.
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dwgates (10-11-2018)
Old 10-11-2018, 10:24 AM
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Here is a link from the sticky which would give you a general idea of what issues to watch out when considering an X300
X300 Series Buyer's Guide (by Doug, cheers).
Look up all threads started by me and you would have an idea of the worst case scenarios.
My list includes noisy tensioner, cracked exhaust manifolds (NLA new), failed ignition coils (buy made-in-Japan for your peace of mind), oil leak from rear end of engine oil plug (uncommon but would be a nightmare to identify and tackle), non-start due to various factors, from semi-working CPS to a corroded ECU, degenerated wire under Traction Control Module, failed fuel pump, and water in tank and/or fuel rail.
Look for an XJR that has been well cared for, verify fixes claimed, and you will save a lot of trouble.
The X300 XJR is a dream to drive if it is in good health.
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dwgates (10-11-2018)
Old 10-11-2018, 02:33 PM
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Originally Posted by dwgates View Post
..... while perusing my local CL Jaguar section I came across an interesting car, a 95 XJR.......
I've edited your original thread title to attract further views/response.


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dwgates (10-12-2018)
Old 10-12-2018, 07:17 AM
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I had both an X300 and an X308 from new back in the day. Loved them both, but the X300 was my favourite. To my eye, the interior and dash are more appealing, as are the bumpers and exhaust finishers externally, The X308 is slightly faster, and benefits from an extra gear, but in the real world not such a huge difference. The X300 benefitted from being the first supercharged car I had driven, and I was blown away, if you forgive the pun! The X308 was , as I have said, faster, but by the time it came along I was accustomed to supercharged power, so it didn't leave such a large impression.
When I decided to return to the fold many years later, I unhesitatingly opted for an X300, and she has been a joy. Such issues as exist are limited in number, and relatively well understood. You can see from the various threads on here that the vast bulk of issues can be remedied by a competent home mechanic, and I have certainly found that to be the case. If however you need to rely on using professionals to look after your car, you might want to check that you have some competent ones available locally. That said, the same applies to your X308, where the range of possible problems is longer and not quite so straightforward in all cases.
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