yes 97 to 05 century and regal are 100% interchangable
r-34a
It is important to use the right types of fluid in a car. The engine oil for a 1995 Buick Century is 5w-30 or 10w-30.
95 buick century
20w50
20w50
The owners manual recommends 5w30 or 10w30I would not use 20w50.The owners manual recommends 5w30 or 10w30I would not use 20w50.
20w50 Harley Davidson motor oil If you can't get H-D brand oil, you could use any brand 20w50. Stay away from synthetics. I stuck with H-D 20w50. Good luck!
We always use and recommend Kendall 20w50.
20w50
20w50
You can, but I think 10w40 will be better.