Are these for real, or just a marketing gimmick? I am looking at the ones for Quaker State and Pennzoil. I signed my truck up for the Quaker State, since the mileage is 74,870 and their requirement is prior to 75,000 miles. Added the Synthetic Ultimate Durability, as they offered a rebate which essentially made it free. Last time I looked at these warranties, it was expected to change every 4,000. Now as long as you follow manufacturers advice and document. I wonder though how difficult (or a PITA) it would be to file and have a claim approved.
I also have a 2011 Mustang, and added that to the Pennzoil's. I am not as worried about this as it is still under factory warranty. Still scored a $25 rebate on Ultra, so seems to be well worth just signing up.
Do many participate in these warranties? I have not checked the detail of the others (Valvoline, Mobil 1). Any info or feedback on these warranties would be appreciated.
I also have a 2011 Mustang, and added that to the Pennzoil's. I am not as worried about this as it is still under factory warranty. Still scored a $25 rebate on Ultra, so seems to be well worth just signing up.

Do many participate in these warranties? I have not checked the detail of the others (Valvoline, Mobil 1). Any info or feedback on these warranties would be appreciated.
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