mr gregash

GT4 RS I would guess a best of 7:18 and worst of ~7:21. I think the PDK, Aero, and HP will get up to about 10 seconds. It is worth noting, the Ring lap delta between the 991.1 GT3RS and the 991.2 GT3RS was 24 seconds despite what looked like very minimal changes on paper. Porsche has a way of making what appears to be immaterial changes count for a lot in a lap. Ultimately, we shall see, but I never thought we would be talking even 7:2x for a 414 hp car like the GT4 (especially with a manual transmission) let alone even faster for a 4RS but we are and that right there should tell you what we thought may have been impossible, Porsche has clearly and unequivocally accomplished with relative ease.

On a related note, in the Chris Harris & AP video, AP mentioned the GT3 has done a much faster lap than the previous gen car. I think the 992 GT3 is going to be around the 991.2 3RS Ring time, if not faster. Also think the 992 3RS will be faster than the AMG Black as well (considering the .2 3RS was only 8 seconds off the pace for the 12.9 circuit). Then the 992 GT2/RS will run low 6:3x.

Five12Free

the track was repaved in 2018, and times have gotten quicker.

MayorAdamWest

I say this as a previous owner of a 991.1 GT3 and 991.2 GT3 RS Weissach with a GT4 PDK on order. I don’t understand the presumed RS. Is there a sliver of gap between the GT4 and GT3? Sure, but given the production limitations, why not just make more of the expensive ones. I also feel like you start pricing into the 992 GTS land. The appeal of the GT4 for me was that it was (with options) 100k less than my GT3RS which was mostly just sitting in my garage. If you shrink the gap between a hypothetical GT4 RS and 992 GT3 to anything less than about 30k (with options), I would rather just get a lighter spec GT3 all day long. (Especially to the track, which is presumably what the RS is for)

mr gregash

True, but only sections of the track (vs total retail) which has been quoted of being worth 3 seconds or so.

mr gregash

I’d love to see this come true, especially when it comes to not holding back the Cayman, but we all know that as good as the GT4 is - best driver’s car available right now - it was still held back substantially by Porsche in many ways. Amazes me that they can make this great of a product and know they has so much more headroom to go. Many other manufacturers pull out all the stops and still end up with only decent products (ie BMW). I think if the 718 goes electric, then the 4RS could be the GT3 RS 4.0 of the 718 and then it might just be what some of us are dreaming of for spec, but then it will also be so limited we may not have much chance to get them.

Archimedes

But we’re not. The best verified lap time for the GT4 is 7:32. If the RS only gets 450HP, I think 10-12 second improvement at best, and the majority of that will be tire difference.

CAlexio

Think of it as a road legal Gt4 clubsport you can drive to and from the track... most fun car ever, that now you don't need a support team and trailer for. Sort of the holy grail/Goldilocks/sweet spot etc etc.

mr gregash

True that Christian ran 7:32 for one hot lap, but I have no doubt a factory driver did 7:28 as Porsche has said. They have no reason to lie and I think given Christian is usually off factory pace that speaks well for the validity of 7:28 from someone who knows the car much better than he does.
There are plenty of much more powerful cars with dual clutches that are quite a bit slower than the GT4.

MayorAdamWest

you can hope for that, but it makes no sense. Besides, the club sport doesn’t really have more power. It’s fast due to removing all the weight (things that make it street legal), slicks, and a not-appropriate-for-street suspension. They’d have to make the suspension more harsh than the GT3 RS (and closer to the race car) which isn’t going to happen. I think many of you are living in a fantasyland about this GT4 RS. Why you are expecting a much bigger gap between the 4 and 4RS than the 3 and 3RS is beyond logic.

Archimedes

We’ll never know because there’s no evidence, but what’s more real world, an actual verified lap time by a seriously fast driver or a rumored single best lap turned by a professional race car driver who probably has hundreds of hours in the car and ran lap after lap all day to run that supposed time?

Comparisons of times must be verified real world times or they’re just nonsense. If the RS has only 36 hp more, it’s not going to be that much faster than the GT4, and more than half of any difference is going to be due to tire compounds, which isn’t the car.

Five12Free

well the 24 second difference between the 991.1 and 992.1 RS, when you factor the repaving and tires, is much closer.

GrantG

Aside from improvements to the .2 RS and the track, the addition of R tires and running in better weather conditions (991.1 RS ran in damp) were big factors.

usctrojanGT3

I wonder if they'll put the double wishbone suspension on the GT4RS.

CAlexio

0% chance. Chassis requires modifications at inception.

2slow2speed

Yep, It would require changes to the front chassis subframe to account for the pickup points for the upper A arm. Not impossible but would require changes in the body in white for the GT4RS. Keep in mind that the plain vanilla 992 still has a strut based front suspension.

Either way highly unlikely, unless PAG decides to go multi-link or double wishbone rear and double wishbone front on the GT4RS. That would be the more sane approach instead of a hack of only adding a double wishbone front and keeping a strut based rear suspension.