BJs Wholesale : Shell synthetic $3.33 a qt. and the conventional is $2.25 a qt.

. The synthetic comes in a 6 qt. case and the conventional has 12 quarts . Go here ( BJs Wholesale : Shell synthetic $3.33 a qt. and conventional $2.25 a qt. | PriusChat ) for used oil analysises of the SHELL synthetic 5w-20 and 5w-30 for a '08 Yaris with the 1.5 ltr.. Could have someone you know that's a member get it for you if you're not one . There's technical data sheets for the Shell and Penzoil Platinum synthetics for comparison along with the Shell conventional virgin oil analysis for the 5w-30 and the technical data sheet of the conventionals at the other post .