Prime Members: 5-qt Castrol GTX Full Synthetic Motor Oil (5W-20) $19 w/ Subscribe & Save

Amazon has 5-Qt Castrol GTX Full Synthetic Motor Oil (5W-20) for $20 - 5% when you check out via Subscribe & Save = $19. Shipping is free with Prime or on $35+ orders. Price $6.24 lower (25% savings) than the list price of $25.24 $4.96 lower (21% savings) than the previous price of $23.96. *Previous Frontpage Deal at $22.75 with 34 Deal Score and 65 comments.