Think Ferrari f430. That supercar came on the scene in 2005. The hardened, and more capable Scuderia arrived in 2008. Then both were displaced by the 458 Italia in 2010.
Matters were more orderly in the sub-supercar performance car segment as well. The E46 BMW M3 was released in 2001. The Competition Pack followed in 2005, and the E9X M3 not until 2008.
With the current generation M3/M4 there is already the standard model, M3/M4 Competition Pack, M4 GTS, and now the forthcoming M4 CS. All in a timespan of about 2-3 years.
Methodical performance car progress has seemingly been replaced with a rapid progress mandate and rapidfire release approach. Manufacturers appear to be sprinting to avoid any possible perception of performance obsoleteness or inferiority.
The new 991.2 911 GT3 is a case in point. This time last year deliveries of the 991 GT3 RS were underway. Thanks to an updated and utterly astonishing 4.0 engine, improved aero, and advanced Michelin Pilot Sport Cup 2 compound, the new "base" GT3 bests the more specialized RS on track. (evo track video is below.)
And remember we haven't even arrived in the true performance car hybrid era when power will become more accessible than ever. Should be chaotic and fun until Uncle Sam steps in…