2008 X5 4.8is vs 2008 Cayenne S 4.8?
2008 X5 4.8is vs 2008 Cayenne S 4.8?
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Discussion

gatster

Original Poster:

45 posts

247 months

Thursday 30th January 2020
quotequote all
The company car for the missus is going back, so we're looking for a daft family runabout, has to be V8 and petrol as a last roll of the ICE dice. Despite my insistence an RS6 would be better, she's not having anything that's not an SUV.

Anyone had both an E70 and Cayenne? I had an E53 X5 which was great at the time so I'm tempted by the E70, but have read that the 4.8i engine can be troublesome. I've seen two 60k-ish mileage examples of each with perfect histories...looking for long term reliability over a year, won't be covering many miles.

rayyan171

1,298 posts

122 months

Thursday 30th January 2020
quotequote all
The X5 will probably last better long term than the cayenne, I saw a youtube channel with a salvage cayenne and he had many issues with sorting the engine etc. Worst issues for the 4.8i engine is coolant leaks and valve stem seals, but these are jobs that can be tackled and likely covered by the previous owners. Not too clued up on the engine though, we have the diesel. If budget permits however, try to find a 50i as they are slightly more reliable, better gearbox etc. Even an X5M is starting to come in at around £20k now. Alternative performance is the 50d diesel but again, higher budget and needs careful servicing as reports starting to appear about the timing chains on N57 engines.

All down to budget really! Only thing I would say is that the Cayenne drives better than the X5, but personally the X5 drives very well anyway for a car of its size, puts it on par with some generations of 5 series. I think only at the absolute limit the Cayenne may outperform. Also, old VAG electronics aren't the nicest at times, even despite BMW and its iDrive.

ZX10R NIN

30,521 posts

154 months

Thursday 30th January 2020
quotequote all
A leftfield option is the SRT Grand Cherokee:

https://www.autotrader.co.uk/classified/advert/201...

rayyan171

1,298 posts

122 months

Thursday 30th January 2020
quotequote all
ZX10R NIN said:
A leftfield option is the SRT Grand Cherokee:

https://www.autotrader.co.uk/classified/advert/201...
Dare I say it - these may be more reliable than both, can't really think of any issues with the HEMI engines.

Luke.

11,971 posts

279 months

Thursday 30th January 2020
quotequote all
ZX10R NIN said:
A leftfield option is the SRT Grand Cherokee:

https://www.autotrader.co.uk/classified/advert/201...
Though that's about three times the price of the other two sadly.

Bill

58,536 posts

284 months

Thursday 30th January 2020
quotequote all
Iirc the Turbo Cayenne is meant to be much more reliable than the S...

Or for extra gambling: https://www.autotrader.co.uk/classified/advert/202...

Luke.

11,971 posts

279 months

Thursday 30th January 2020
quotequote all
PS You can't get a 2008 4.8is, it's the 4.8i.

I've owned a 2003 Cayenne Turbo and a 2007 4.8i. Both amazing cars, but Porsche just felt more special.

Would avoid the Jeep.

swisstoni

23,878 posts

308 months

Thursday 30th January 2020
quotequote all
Was nosing around Cayennes myself a few years ago.
As well as the issues mentioned above, check that the non turbo wasn’t a sufferer from bore scoring. I have a feeling it was. The turbo was a different engine and did not suffer.


DKL

4,958 posts

251 months

Friday 31st January 2020
quotequote all
Certainly bore issues on the 4.5s engines but not sure about the 4.8. GTS versions seem nicer and there are manuals if you are so inclined.

gatster

Original Poster:

45 posts

247 months

Friday 31st January 2020
quotequote all
Plot thickens - I spoke to the seller of the Cayenne this morning and EML has come on, apparently because of a 'stretched' timing chain (I know this isn't what actually happens, but I'm quoting verbatim). He claims to be getting it sorted, I did a google and is certainly seems to happen to Cayennes.

Kinda put my off when the X5 is genuinely genuinely mint with flawless history. I do think the Cayenne's are somehow more 'special' still so going to take the weekend to ponder. Leaning to the X5 though, cheers for the comments.

swisstoni

23,878 posts

308 months

Friday 31st January 2020
quotequote all
I would agree that the Porsche, well, is a Porsche and so is inevitably more special.
But the writing seems to be on the wall in this particular comparison.