Quote:
Originally Posted by JNoSol
If you're comparing two identical wheels, then yes. 21s will perform worst than 20s, as 21s will weigh more (more unsprung weight). The 2 main reasons why wheels are getting bigger are: (1) to accommodate larger brakes (2) stiffer side walls for better handling.
I don't think you have brakes that need 21s over 20s. With 21s, you'll have less rubber protecting your wheels and your behind. If the cost of tires is not an issue and you just want 21s for the better look, go for it.  |
Well 21" forged wheels are lighter than 20" cast wheels, so 20" forged don't weigh much less than 21"s. And I may get BBK for my next F07.
My main concern is, how badly does it affect performance. For example, is it like
0-60 with 20"s: 4.30s, 0-60 with 21"s 4.34s, or something huge like
0-60 w/ 20"s, 4.3s, 0-60 w/ 21"s: 4.8s?