It looks like Walmart has a habit of not giving out oil change coupons.
They already offer everything at such a discounted price that you don’t necessarily have to use a coupon.
Call your local Walmart to ask them for their oil change prices. Then come back to this site and see if you can find a better deal on an oil change from another company in your area.
There are plenty of other options such as:
I promise to keep poking around the web to find you a Walmart oil change coupon. I know that there are plenty of visitors who favor getting an oil change at Walmart because of the convenience of the trip.