What is the oil capacity for 2005 Buick Rainer?

As with all GMT360 vehicles with the Vortec 4200 inline 6 - Seven US quarts.

This massive quantity allows less frequent oil changes and confident use of the oil life management system on the vehicle. Many members on our enthusiasts forum have oil analysis reports from Blackstone labs that report Excellent results using the system. You can ask or read about it at

www.traiilvoy.com