Here we go!
Polygon: 9.5
http://www.polygon.com/2013/9/16/4720458/gta-5-review-grand-theft-auto
Eurogamer: 9
http://www.eurogamer.net/articles/2013-09-16-grand-theft-auto-5-review
GameSpot: 9
http://uk.gamespot.com/grand-theft-auto-v/platform/ps3/
IGN: 10
http://uk.ign.com/articles/2013/09/12/grand-theft-auto-v-review