F1 2013 (no DLC) 75% off - $17.49 USD
F1 2013 Classic Edition 75% off - $22.49 USD
Classic Edition Upgrade for those who already own the game 75% off - $3.74 USD
You can also buy the DLC packs individually at 75% off as well. The 1990's pack is $2.49 USD and the Classic Tracks Pack is also $2.49 USD.
The game (no DLC) is free to play through the duration of the weekend because of the Australian Grand Prix!
It's slightly cheaper if you buy the F1 2013 (no DLC) and the Classic Edition Upgrade separately. $17.49 + $3.74 = $21.23
A WHOPPING SAVING OF $1.26!!! :P