I got my oil at Advance Auto Parts. They have a deal for 5 quarts of Castrol Syntec + a Bosch Distance Plus filter for $26.95. So I got 5 (already had one) quarts of 5w-30 for the Firehawk.

They sent out a flyer that has a coupon for any non-sale items for $5 off if you spend $25, $10 off if you spend $50, and $20 off if you spend $100. So I got 9 quarts of 10w-40 for the Boxster, and that got me the $10 off.

So it worked out to about $5.50 per quart, and the filter for about $1.50.

The sale is this week only I think.

I was at a NAPA store today and they had both brands on the self. :cheers:

Typing this at WalMart (Phoenix, AZ area).

They have Castrol Syntec 10W-40.
SKU: 7919100113
$23.50 for the 5 qt jug.

About to buy and make the switch from Mobil1.

I called my local NAPA. The guys said, "Yeah. We've got it, but we've only got 9 quarts." I said, "I'm on my way." The moron had Castrol GTX in 10w-40, but did not have any Syntec in 10w-40. :confused:

thanks for the info.