The 2001 Buick Century requires SAE 5W-30 synthetic motor oil. Including the filter, the oil capacity iS4. 5 quarts.
What kind of oil do I put in a Buick?
See our findings below. The Buick Encore uses 5W-30 fully synthetic oil. Buick recommends changing synthetic oils every 7,500 to 10,000 miles.Aug 26, 2021