the 135is specs you have on that comparison are incorrect.
CORRECTION:
taken straight from the BMW USA website:
BMW 135is
Unladen weight 3373 (manual) 3439 (DCT)
Acceleration 0-60 mph - Manual transmission 4.9 sec
Acceleration 0-60 mph - Automatic transmission 4.8 sec
http://www.bmwusa.com/Standard/Conte...fications.aspx