Do they admit by major or by college? Because I heard that the average gpa for CoE is around 4.1, but after looking around a little bit, I found out that the average GPA for Computer/Electrical Engineering is a 4.04.
http://www.ece.ucsb.edu/academics/undergrad/prospective-faq/#stats
https://www.ce.ucsb.edu/undergrad/faqs/