No doubt many of you tech wizards will be well aware of this but worth a try for those using a big TV and PC version.
Ultrawide 21:9 Gaming on HDTV
Game does look very good in this aspect especially cockpit view and bonnet cam giving the benefits of the wider aspect ratio. Once a custom resolution is set within the Nvidia control panel it seems to be available within the game video resolutions. A basic sample below with exterior view oh and btw I get approx 38" 21:9 screen size from my 40" 16:9 display so bigger than many 21:9 gaming monitors. Those of you with even bigger screens will of course be able to enjoy 21:9 even more.
* Go into HUD settings within game to re-position the map and speedometer
These obviously have lower pixel counts so some may find on their systems they could play a bit better with maintaining all visual settings to max.
Above is standard 16:9
Below is 21:9
21:9
Custom Resolution 1
1920 x 810
Custom Resolution 2
3840 x 1620
Capture using Geforce Experience