We were surprised to see the Kirkland Signature Full Synthetic SAE 5W-30 Motor Oil in the store. At first glance, we thought that the Kirkland oil was priced about $4 cheaper than the Mobil 1 motor oil with the current rebate. But upon closer look, it’s actually much cheaper than that. The Kirkland Signature motor … Continue reading Kirkland Signature Full Synthetic SAE 5W-30 Motor Oil