Preheat the oven to 350°
Prepare 2- 8" round pans with pan release or baking spray and lightly flour if desired.
In a large bowl of a mixer, or mix by hand. Place the Sugar and eggs into the bowl and mix well to combine.
Add in the flour, milk, pumpkin, butter, oil, baking powder, vanilla, and pumpkin pie spice until smooth, mix until the batter is well blended and all ingredients are incorporated.
Pour the cake batter evenly into each cake pan and spread it smoothly.
Place both cake pans on the middle rack in the center of the oven.
Bake at 350° for about 30 minutes, test about 15 minutes to be sure it's not done, test with a toothpick, when it comes out clean. Place cake pans on a wire rack and cool for 10 minutes.
Remove the cakes from the pans by turning the cakes onto the wire rack. Cool completely.