The Spa-Francorchamps Track Pack Add-on for GRID 2 has 4 achievements worth 100 gamerscore.
Beat a lap time of 01:49:00 at Spa-Francorchamps. (Excludes drift events)
Drive faster than 260mph (418.429km/h) at Spa-Francorchamps.
Complete an online Endurance race at Spa-Francorchamps.
Score over 300,000 points in a single drift at Spa-Francorchamps.