Preheat oven to 450° F.

In a medium bowl, combine flour, baking powder, baking soda, salt, and sugar.

In a small bowl, stir together buttermilk and oil. Pour over flour mixture;stir until well mixed.

On a lightly floured surface, knead dough gently for 10 to 12 strokes. Roll or pat dough to 3/4-inch thickness. Cut with a 2-inch biscuit or cookie cutter, dipping cutter in flour between cuts. Transfer biscuits to an ungreased baking sheet.

Bake for 12 minutes or until golden brown. Serve warm.