Focus Fanatics Forum banner

Premium or regular gas?

56676 Views 46 Replies 23 Participants Last post by  VenomousSVT
What do the stock ST's use? I was unsure so I filled with with mid grade 89octane.
1 - 3 of 3 Posts
1 - 3 of 3 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.