I changed my 2010 STI for a 2011 135i.
STi is the worst car I ever bought.
OEM brake pad are peace of shit.
First track day: after 5min on the track no more brake.
Then I upgraded, Stance coilover, Carbotech XP10 brake pad and Hoosier R6 tires+lightweight wheels.
3rd track day: BOOM cyl no4 = dead.
5400km and the engine is dead.
I searched on the web and found that engine blow is very common problem on STI and WRX265.
135 is faster on a track. Handling, brake and power is better on the 135i.
STI= turbo lag.
For drag racing stock for stock it's close.
Very fast 0-60' time on STI but slower trap speed at the end.
On the highway, 135 is realy faster.
I bought the STi for winter fun... but I didn't have time to drive it during winter
