XK / XKR ( X150 ) 2006 - 2014

New tyres for xk

 
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Old 03-07-2019, 11:30 AM
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Default New tyres for xk

Hi guys new on here so just asking for some advice please,
had my xk convertible for 2 years now and been the best 2 years driving Iíve had, excellent car to go out and play in.
looking to renew all 4 tyres and was hoping someone could recommend a decent tyre
ive got 245/45 18 on the front and 275/40 18 on the rear
firstly can I put a wider tyre ie 255 & 285 on these wheels
secondly can you recommend a good safe tyre for this beast , would appreciate your advice
regards
mike
 
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Old 03-07-2019, 11:54 AM
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It could help to indicate what type of driving style you have and/or what you are looking for in a tire. Are you looking for all-season or high performance tires? High dollar or best value? There are many threads on this forum that endlessly debate this topic. Use the search feature to see what others have already posted.

Happy driving,
Peter
 
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Old 03-07-2019, 12:01 PM
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Default Xk tyres

Hi peter thanks for that, I think I drive sensibly enough around the 80s on the motorway and stick to speed limits around town, give it the odd blast to clear pipes out, looking for all weather tyres not to much noise.
only use car for leisure and cover 3-4 k miles per year.
 
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Old 03-07-2019, 12:14 PM
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The Michelin Pilot Sport A/S 3+ might be a good choice to look at. I have the Continental Extreme Contact DWS 06s are those are decent and a similar category; but unless you get a good deal, they aren't standouts in the segment.
 
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Old 03-07-2019, 12:29 PM
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Default Xk tyres

yes was thinking of the super sports but theyíve been replaced by Michelin pilot 4s now, Iím gonna do a bit of research on these I think, thanks for reply
 
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Old 03-07-2019, 01:34 PM
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You should be able to increase tyre width by 10mm without an issue, though I can't guarantee it. I have done it on my car, and there is no fouling of wheel arches - but I have a very different setup (265/35/20 front & 305/30/20 rear). However, it's only 5mm on each side, and there should be more clearance for the stock tyres than that.

if you stick with your current profiles, 255/45/18 will be 2.7% bigger in diameter and 285/40/18 will be 1.2% bigger. That will mean your speedo will read slightly lower than it does now at the same speed. Since the speedo naturally reads high, it will probably balance out.
 
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Old 03-07-2019, 01:51 PM
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Default Xk tyres

thanks for that info 👍
 
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Old 03-07-2019, 05:31 PM
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At that low of an annual mileage I wouldn't stress the tread wear rating too much. Tires will dry out and harden before the tread wears down. These cars do wear the inside more than the outside due to the camber but that's also what helps them handle so well.

I have a set of stock 19" Perelli's off a '14 XJ and they handle very well for what they are. They were a little lumpy this morning after sitting the past couple days in sub freezing weather.
 
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Old 03-07-2019, 06:21 PM
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I'm very happy with the Firestone Firehawk Indy 500's on my XK. Had a track inspection today and the shop commented that they thought these tires are some of the best performing tires for the money (they aren't super pricey but have loads of grip). I've found similar results upon reading reviews of them online and on other forums. I didn't pick these: they almost new and already on the car when I bought it.
 
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Old 03-08-2019, 01:21 AM
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Default Xk tyres

Thanks for feedback guys, I gather a lot of you guys are in the states, Iím over here in the good old uk so we donít have some of tyres that you have available to you. Have read some great reviews on the Michelin pilot sport 4 s but having trouble getting in 18 ď
 
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Old 03-08-2019, 03:03 AM
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The Michelin seems to win almost every test it has been in so certainly won't be a bad choice just the most expensive.

Have a look here where they have summarised a lot of tyre tests, the more recent the better as tyres are continuously tweaked:
Tyre reviews, tests and ratings - Tyre Reviews.

From 2019: 2019 Auto Bild Summer Tyre Test - Tyre Reviews
The new Goodyear could be interesting.

I would be very careful increasing the tyre width on a Jaguar with standard wheels as they seem to start with narrow rims. Any increase seems to go over the recommended tyre width for the wheel which also curves the footprint, creating no more footprint. And the wider you go, the worse they will be in deep water. Steering feel, etc will also suffer, tram-lining will increase. Modern cars are over-tyred - going bigger may look better but you rarely improve the car and you increase the cost of the tyres.

A little time spent reading test results will give you an idea which tyres generally perform well. User reviews are imho a waste of time because there is no reference point, just a subjective opinion of people who main drive fairly normally on public roads at speeds well within the capabilities of all tyres. We can't really say where our tyres are in comparison to the rest as we haven't driven many of them. But we are very likely to say whatever we have paid good money for is the best choice. Why would you believe my subjective opinion, I might be a complete gorilla behind the wheel?
 
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Old 03-08-2019, 09:49 AM
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*sigh*
 
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Old 03-08-2019, 10:53 AM
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Originally Posted by Mickeyboy25 View Post
yes was thinking of the super sports but they’ve been replaced by Michelin pilot 4s now, I’m gonna do a bit of research on these I think, thanks for reply
You can still buy super sports, as there is stock of these. I had Super Sports and moved to MP4S as soon as they came out.

4S is more of the same and at the same time better than SS. Especially noticeable improved wet handling. However 4S is a street-legal track tire, if you don't push your car you can get away with lesser (and cheaper) setup.
 
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Old 03-08-2019, 11:02 AM
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Originally Posted by Mickeyboy25 View Post
Thanks for feedback guys, I gather a lot of you guys are in the states, Iím over here in the good old uk so we donít have some of tyres that you have available to you. Have read some great reviews on the Michelin pilot sport 4 s but having trouble getting in 18 ď

Try these in the U.K.

https://www.oponeo.co.uk/?gclid=CjwK...RoC27sQAvD_BwE

or

https://www.motokiki.com/?utm_medium...RoCSD8QAvD_BwE
 
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Old 03-08-2019, 12:07 PM
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MB25, I'm in the UK and have MPS4S's fitted all around, they are impressive and that was with replacing 7mm Pirelli's on the rear

Since I've a spare set of Vulcan alloys am going to fit a set of these, significantly cheaper than CJ's favourite brand and a higher 'buy again' rating than the French rubber!

Vredestein Ultrac Vorti - Tyre Reviews

PS: it may help if you included the year and engine of your car, I wasn't aware of many aluminium bodied XK's having 18 alloys?
 

Last edited by MarkyUK; 03-08-2019 at 12:09 PM.
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Old 03-08-2019, 12:36 PM
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Hi guys, car is 2008 xk convertible 4.2 v8 with 18Ē Alloys, would consider purchasing a set of 19 or 20s.
Anybody got a decent set they want to sell on ??
thanks for advice & info definitely going with the pilot 4 s heard great things about that, nice to have a decent set of rubber under you, (just had the wheels refurbished a few months ago )
[img]blob:https://www.jaguarforums.com/7dcc4021-248d-4959-b4ea-dc1a1021f367[/img]
 
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Old 03-11-2019, 03:56 AM
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Default Xk tyres

hi guys thanks for all feedback, I think I may have found a new set of wheels, the seller says theyíre off a 2012 portfolio xk and theyíre 19Ē, he also says that will need a 20 mm spacer for the rear on 4.2 jags
anyone know if this is correct please ?, also are they just a straight swap and will it make a difference to the speedo .
thanks
mike
 
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Old 03-11-2019, 07:41 AM
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The wheel swap has been done before, so Iíll let someone else confirm if 20 mm is the correct spacer size.
As far as speedometer readings, you need to compare tire size, not wheel size. There are some nice websites that will let you plug in your old and new tire size, and then tell you the difference in speedometer reading.
Just google for tire size comparisons.
 
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Old 03-11-2019, 07:53 AM
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I used 20mm spacers on my 2009 XK when I installed 20” Takoba wheels from a 2015 XK. Worked great.
 
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Old 03-11-2019, 08:25 AM
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Default Xk wherls

Cheers guys I will hav a look
thanjs
 

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