Family Farm and home in Michigan has Mag1 synthetic blend on sale through 12/24 for $14.99 for 5w20, 5w30, 10w30 for a 5qt jug. Regularly $19.99- $21.99. Warren industries make this oil. Same manufacturer Amazon, super-tech and Kirkland. Not a real high end oil but good enough for 3000 mile OCI...