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Cayman GT4: Where are we up 2 now? Déjà vu Edition

Jeff,

The "Car" pictures are a mix of old and fairly new.

I agree the rear diffuser does stick out rather and I wonder how it would look particularly against a contrasting body colour. Lots of opinions on the rennlist forum

I guess it is pretty ready for production and introduction probably caught up in the hiatus caused by the GPF-driven re-engineering work load and 992 launch.

Ralph

 
not as nice as the old one, but it's all about that engine.

the wings a bit low also, regs again :-( but BBi will have after market risers.

The rear diffuser is just not a good looking item.

will I try and get one, yes if the specs are right, while I think my GT3 is king, it's too much money tied up for me in one car sadly.

rather a GT4 gen 2 and a Lotus Sport 410 Exige over one GT3. I am really after a Lotus but want to keep a Porsche also as a daily.

 
I agree. Not as nice looking as the 981, and I'm concerned about the engine characteristics with reduced noise levels and a GPF. I wasn't overly impressed with the 981 GT4 engine, so a simlar but more powerful spec that is even less free-revving doesn't really appeal. 420bhp sounds good on paper, but for me it's all about how that 420bhp is delivered and without a test drive it's hard to say.

If I'm fortunate enough to be allocated a build slot, which is only a very slim possibility I think, then I'd have a really tough decision to make. I can only run one car and I'm very, very reluctant to let my 981 GTS and then regret it for all of eternity!

 
Yes Dave, the Car pics are included in the motor1 set.

Interesting to note that the back ends of the GT4 and Spyder look identical - PU/diffuser; even the rear lights and the lip spoilers.

They do look production-ready, although the GT4 doesn't yet show the traditional front intake mesh treatment.

Someone who spec'd his car in April posted yesterday that he can't get a manual 718 Boxster GTS until Jan/Feb 2109, so it'll be a while before Porsche can start building GT4s - and that's assuming all WLTP issues have been resolved and launch is imminent. If so, it looks as though we may not actually see any cars on the road before Q2/Q3 next year.

Jeff

 
Spyder is essentially an open top GT4 this time around - more similarities than just the bodywork you can see. Quite an upgrade for the Spyder, less so for the GT4.

I think build slots won't be until Q1/Q2 like you say, but I could see Porsche releasing the car and starting the ordering process within the next couple of months.

 
Agreed Dave.

Of course Porsche could dial back the GT4 suspension spec slightly to aid commonality of parts and keep costs under control. Following form for the 718, the GT4 may turn out to be cheaper than the Spyder.

Jeff

 
Yep, they have options. I'm not expecting much of a leap in chassis development for the GT4, I see it as a 981.2. However, given what they've done to the GT3 we may be pleasantly surprised?

Unfortunately I'm all about the engine, so if that's another disappointment to me I'll not be fighting for an allocation.

 
Dave,

Other than providing additional rear suspension adjustabiltiy, there's not much more that can be done with the GT4 chassis if they adopt the 991.2 GT3 front end, including the revised EPAS system.

As for the engine, that's been done to death..! From what we've actually heard it's not going to be a GT3-type screamer, just more of the same with extra power and torque. If you weren't impressed last time round then I doubt that your opinion will change. You're more than happy with your 981 GTS, so stick with that and save yourself a bundel of cash.

Jeff

 
Exactly what i'm thinking. I don't do track days and the GT4 chassis is of no benefit to me on the road. At an anticipated £40k to change I can't see me doing it, however I'll wait until the finished product is released before making a final decision.

 
And that's assuming you'll get an allocation Dave..!

If like me you don't own a 918 Spyder, don't have a GT car to trade-in and aren't a serial purchaser of Porsches, the chances of getting a car a pretty slim. I've just reminded my tame PC salesman that I lodged an LOI back in Feb 2015, but I'm not hopeful that I'm anywhere near the ladder, let alone actually being on it..! And even if you are, the whole system brings to mind a Snakes and Ladder board.

It would be good to believe that a reasonable number of GT4s will end up in the hands of true enthusiasts who'll use them as Porsche intended.

Jeff

 
Motorhead said:
It would be good to believe that a reasonable number of GT4s will end up in the hands of true enthusiasts who'll use them as Porsche intended.

Jeff
Click to expand...

I hope that is the case also Jeff. I'm registered with my OPC, but I am really hoping a more sensible approach is taking by Porsche to get these delivered to people like myself who will want to keep it forever! Time will tell.

Also as others have mentioned, I'm also not a huge fan of the rear diffuser, but it's also very hard to 'love it or hate it' without seeing it in person, in the colour choice you want.

I expected an official launch at Geneva next year, but it sounds like it could be a lot sooner.

Ben

 
Ben,

With many manufacturers suffering from the impact of WLTP, who knows when it'll be launched?

Rumours are that Porsche are struggling with the n/a engine, but there's no concrete news as yet despite there being a number of sightings of near production-ready GT4s and Spyders. Maybe we'll be seeing it at the LA show in Nov/Dec.

I note that according to the Porsche Configurator it's still not possible to order a 718, so even if Porsche announced the GT4 fairly soon it's unlikely we'd be seeing cars here until Q2/Q3 2019.

Jeff

 
The WLTP issue is really interesting, and I think it's tied in with the new noise and filter regulations.

On PistonHeads they're convinced another batch of GT3RSs will come to the UK, but to do so the car will have to pass the new tests with quieter exhausts and a GPF particulate filter. If the new regulations are causing issues with power outputs, then the 520bhp NA engine in the GT3RS either had a lot of spare development in it to allow Porsche to match that power with all the extra restrictions (unlikely IMHO) or they'll have less power than the first batch. Would Porsche do that? Release two batches of cars with differing power outputs? I'm not so sure.

For the GT4 and Spyder, this would also indicate that the engine needs a lot of development to get back to the initial 420bhp output that was rumoured before the new noise and GPF regulations became mandatory. I suspect bringing forward the introduction of them by 12 months has really scuppered the GT4/Spyder program.

 
I'm rather sceptical about another batch of GT3RS Dave, for the reasons you've given. The fact that Porsche pushed to get the GT3/RS released before the September deadline indicated their concerns about being able to meet the more stringent noise and emission standards which, as you say, have probably impacted the GT4/Spyder programme.

Just a thought but the particulate issue could have prompted a radical redesign of the induction system using supplementary port fuel injection, since it's generally accepted that PFI engines fare considerably better than DFI engines meeting particulates limits.

Jeff

 
Exactly - there could be a whole host of engineering things going on.

I don't doubt Porsche are planning/hoping to deliver more GT3RSs, but I suspect it won't happen - despite what all the supposedly "informed" people with direct links to their OPC Principal are saying...

 
Twinfan said:
the 520bhp NA engine in the GT3RS either had a lot of spare development in it to allow Porsche to match that power with all the extra restrictions (unlikely IMHO)
Click to expand...

I think the engine can goto 640bhp the RSR race cars runs a restrictor.

So remapping the RS or tweaking it should be easy to match the 520bhp.

if they are not forced into turbo's I am sure the next GT3 will also have this engine and another 20bhp gain.

 
RSRs have high maintenance schedules though, based on hourly usage. I wonder how much could realistically be obtained when complying with mass manufacturing processes, not using lightened internals and 2 year/20,000m service intervals and emissions regs etc. I reckon you could easily eat up 120bhp to make it road car compatible.....

 
Industry Pool Sept 5, some GT4 in amongst other prototype cars

[link]https://youtu.be/er6-veDo3Jg?t=9m15s[/url]

 
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