The Mobil 1 oil on the left is $29.95 and the Super Tech on the right is $15.95. I like to use good oil, but from reading on the back is the Mobil 1 almost twice as good? If the Mobil 1 was $5 more that is 4-sure what I would get. I know Super Tech is not Nascar endorsed.
Mobil 1
Super Tech
Mobil 1
Super Tech