5-qt Castrol GTX Full Synthetic Motor Oil: 0W-20 $22.75, 5W-20 $20 w/ Subscribe & Save

5-qt Castrol GTX Full Synthetic Motor Oil: 0W-20 $22.75, 5W-20 $20 with Subscribe & Save. Thumb Score: +18. Choose Subscribe and Save to get $20.03. Even the one-time buy price is discounted. 0W-20 is slightly more but also discounted at $22.76 with S&S. The higher priced/tier 'Edge' line is also the same price.