What is the octane gas rating requirement for a 1998 Buick Century?
Mario
Its a 1998 buick Century Limited with a 3.1 Engine. Wondering if its Unleaded. Regular, or Premium. I think its unleaded like all the other regular American cars but just want to make sure.
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February 23rd, 2008 at 4:17 pm
unleaded. but it dont hurt if you put super.