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Porsche 982 Cayman S or BMW I8

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Old 07-16-2018, 04:40 AM
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bowenxue98
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Default Porsche 982 Cayman S or BMW I8

Hello guys, I'm a new member on this forum. I'm looking to purchase a certified pre-owned 2017 Cayman S (<10k km) after coming from a Mercedes. But recently, I've noticed quite a few BMW I8's dropping in price. I could also purchase a 2015 BMW I8 with around 25k kms on the clock for a similar price to the Porsche. Are there any pros and cons to each car? As far as I know, performance is quite similar in terms of both straight line speed and track. I'm mainly looking for a sports car that can post fast track times but can also be driven everyday if needed. Anyone got any recommendations for me?

Thanks a lot!
Old 07-16-2018, 07:01 AM
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Sven76
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i8 and track? Really? Are you interested in cars that “post” fast tracktimes or would you go on track yourself. Haven’t seen any hybrid / EV which was really up to track duty (except 918, and even that comes with limitations).
Old 07-16-2018, 07:24 AM
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badabing
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I was at a track day where someone brought an I8. Older gentleman. Can't speak to the relative lap times though.
Old 07-16-2018, 09:30 AM
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RWPinNC
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I would be wary of using an I8 regularly on track, partly because of the complexity and partly because of the lack of established knowledge of how to make the cars reliable on track. That said, it could be fun. In contrast, there is a track-oriented enthusiast group for the Cayman that will know the likely failure points and/or preventative measures to assure reliability and identify trouble issues for the Porsche.

A member of a local multi-marque club has an I8. His comments were that the car handles incredibly well, but does not "feel" as quick as some previous cars. Subjective, yes, but that's part of the excitement of track days.
Old 07-16-2018, 11:13 AM
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Scooby921
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Having driven an i8 for a day, I'd never own one. The doors are perfectly designed to smack your head on every time you get out of the car. They look nice. They are fun to drive. They are not a car I'd want to live with.
Old 07-16-2018, 12:24 PM
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digitalrurouni
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I don't see why the I8 can't be tracked occasionally. Any car can be tracked. Just make sure you ditch the poop tires on it and get some proper ones.
Old 07-16-2018, 02:58 PM
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Archimedes
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I8 is a joke.
Old 07-16-2018, 03:05 PM
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wanesso
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..i8 is a great car---I've taken mine to the track for HPDE and it was a blast but have to believe the porsche is a better choice if you're doing much on the track.
Old 07-16-2018, 03:06 PM
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wanesso
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Originally Posted by Archimedes
I8 is a joke.
Love my i8---no joke
Old 07-16-2018, 04:24 PM
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Dr.Bill
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Originally Posted by wanesso
..i8 is a great car---I've taken mine to the track for HPDE and it was a blast but have to believe the porsche is a better choice if you're doing much on the track.
Did it make it for four full 30-minute sessions without battery heating issues? If so, that might be a first!

Drove one once, would never buy one, no matter how inexpensive they get.
Old 07-16-2018, 05:58 PM
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bowenxue98
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Thanks for all the advice! Reading the replies, I feel like the general consensus is the Cayman S having better reliability and performance on the track. I don’t doubt the Porsche, but the I8 does come close in terms of track times according to online specs. That doesn’t show it’s true performance on the track though, in terms of overheating, etc. I haven’t personally driven one yet, so I can’t comment on that. However, it’s also cheaper and better fuel economy, in addition to those doors which make it look a lot more expensive than it is. Since the 982 got downsized into a turbo 4, how does the engine note and exhaust compare with the I8’s turbo 3?
Old 07-16-2018, 06:05 PM
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PorscheAddict
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This should not be a comparison. The i8 is more a novelty item at the current tech. There is no way it will be a reliable track car, regardless of track times. The flat 4 also sounds much better than the i8 motor. You're comparing totally different cars.
Old 07-16-2018, 09:57 PM
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Archimedes
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$150k for a 228hp/1.5 liter 3 cylinder mated to a 141 electric motor with an 18 mile range? That does 0-60 in over 4 seconds? As PA said above, it's a novelty. But more of a joke in terms of serious sports car performance. And that price. That's the real joke.
Old 07-16-2018, 09:58 PM
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Archimedes
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Originally Posted by bowenxue98
Thanks for all the advice! Reading the replies, I feel like the general consensus is the Cayman S having better reliability and performance on the track. I don’t doubt the Porsche, but the I8 does come close in terms of track times according to online specs. ?
Where are you doing your online research? https://www.topgear.com/car-news/mod...ightve-thought
Old 07-16-2018, 10:51 PM
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Cayman S for the go
i8 for the show


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