Best deal: $0.09 per fluid ounce (44.6% below the median) — Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts
Price range: $0.09 – $109.12 per fluid ounce across 10 offers. Median sits at $0.17.
Top brands showing: Valvoline Advanced, Castrol Gtx, Refresh Your.
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