Gauss:
Let us not forget that Porsche's marketing and Andreas Preuninger's announcement that the 4.0 RS was going to be the benchmark for the new 991 GT3 are also reasons why people are now comparing the 991 GT3 with the 997 GT3 RS and 4.0 RS and not with the base 997 GT3.
Maybe it was a mistake. Porsche test drivers (many of them are engineers too) know these cars in and out and may achieve better track times than for example HvS or any car journalist. I am pretty sure that during internal comparison tests, the new GT3 faired pretty well vs. the GT3 RS 4.0 but I can also see why it may not be really faster in real life comparisons done by "regular" drivers or car journalists.
Mr. Preuninger is in love with the new GT3 and maybe his enthusiasm was a little bit too much for the usual Porsche marketing machine. Although I cannot see anything wrong in what he did (said).
Comparing both base GT3s, 991 vs 997, shows a clear evolution that is in tune with previous generation successions, but like Gnil and others have already said, if you look at the specs, then you would assume a much better result from SA. I'm surely scoring a hail of catcalls for saying this but maybe the SA article is more "scripted" than some of us want to believe. It's like television, they can write whatever they want. If they always agreed with manufacturers' claims then they would sell less copies.
This is so true. Controversy attracts people...so...
I drove the 991 Turbo S for over 2300 km now. I read many comments about testdrives from ordinary people like me with the 991 Turbo S and all of them are positive, most people seem to be surprised how good the new 991 Turbo S is. After I read the CAR article someone posted, I said to myself: "What? They must have tested the wrong car." Then again, I remember the Sport Auto test of the Turbo S and then I asked myself again: "Did CAR have a different Turbo S than Sport Auto?"
So my guess is: So many people are amazed with the new 991 Turbo S, CAR had to come up with something different.
I'm afraid you nailed it.
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RC (Germany) - Rennteam Editor Porsche 991 Turbo S, Cayenne GTS (958), BMW X3 35d (2013)