Thread: do i have to use premium gas with the 3.8L supercharged?

Originally Posted by smag

wow, really? I thought it was .20 everywhere.. (in the US). We don't have the cheapest gas here (pacific NW), but premium (92 octane) is pretty much always .20 more, and plus is .10 more at most stations.

Yep, It's bad.

Costco is currently $3.109 for regular and $3.439 for premium.

Originally Posted by Nixon

Yep, It's bad.

Costco is currently $3.109 for regular and $3.439 for premium.

Its 30-50 cents more depending on 90-93 where im located.

FWIW i ran 89 for a full winter 2 years ago on a 3.1 pulley.