Originally Posted by chasedude
I have a 97 Nissan 2wd light truck, don't think anything will be different per octane use but I'll check my owners manual anyway.
I'd wager it only requires regular grade. High-compression engines, turbo or super-charged motors are the ones that require premium.
But, by all means, make sure (everyone). If you are filling up with premium and you don't need to, you are wasting serious cash.