The Breakdown

One of the best sims to play in VR, if you don't mind paying the monthly subbsciption fee, and also waiting for scheduled online races. VR menus are great, head tracking is superb, visuals are good enough. Your best choice if you want to start a VR racing career.
Graphics 8.5
Sound 8.5
Controls 9.5
Immersion 9.0
Comfort 9.0
Gameplay 10.0
Pros
VR optimized menus. Full head tracking support. Ideal for pro sim racers. This is the very best title to play for a sim racing career.
Cons
Online only. Must wait for scheduled online races. Monthly fee.

iRacing is a subscription based racing game where you pay a monthly fee to participate in online racing. iRacing offers all types of racing you can wish for, including NASCAR, IndyCar, GRAND-AM, Aussie V-8 Supercars and Grand Prix racing.

Useful article: http://www.vrcircle.com/post/iracing-oculus-rift-review-and-setup