If you have a manual car, you can use low revs and lots of clutch slip to get going. It's also a lot easier to get the car un-stuck because you can rock the car back and forth by putting the clutch in and out.
If you have an automatic, drive like there's an egg between your foot and the gas pedal and pray.
My old Max had a 2" drop, no body kit, and Bridgestone Potenza RE960AS Pole Position tires, and it was virtually unstoppable in the snow. The only time I got stuck was when I hung the car on a small pile of snow at the entrance to a parking lot because I was being arrogant, but even that was recoverable eventually.