Hi Scotty, I drive 2021 Toyota Tacoma 15000 miles. I live in Colorado and our " regular" gas has an 85 rating, My Tacoma cost for 87 octane but I've been told that in the high altitude 85 works just like 87. Am I going to do any damage to my truck for using the 85 octane?
This issue has been discussed multiple times here. Try the site's search function.