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Wheel size IMO are also related to brakes, as now everybody is trying to produce more powerful car (despite the fact that we are all limited in speed on roads, and that having a 60hp car would be plenty enough to do that), they need to have adequate brakes I believe so that can also explain the enlargement of wheels
paulbiche
Large glass area is hard to achieve with modern crash requirements combined with aerodynamic driven fuel economy, but hard doesn't mean impossible.
The air-cooled engine had to go from the 911 due to emissions, but the very upright windscreen of the 993 (which was essentially the same shape as every 911 up to then) had to go due to what it did to airflow - the 996 is much more steeply raked backward, and much slipperier as a result.
I think wheel size might be generational, I think of 18's as big, 19's as style over substance, and 20+ as belonging on a bus, but of course this is rolling on 20's:
But then I'm old, the youth of today might think that 20" wheels are small, and that Bangles flame surfacing concept is essential for a cars looks.