GRID Autosport's first piece of DLC isn't a new car, track or livery, but a 'Boost Pack' designed to accelerate your progress throughout the game's career and online modes.

For a one-off payment of £2.39, players will receive a boost of "approximately 50 per cent more XP in career mode and around 50% more XP, Vehicle XP and in-game Cash when you race online".

The pack is currently offered on Xbox Live but doesn't yet seem to be available on PSN or Steam.

Source: (via