Notice that in the next gen trailer in the scene depicted above, the tachometer is moving up as M revs the engine. Not sure if this happens in last gen GTA V, but it seems that if the devs put the time adding this little touch, dash cam is a no-brainer. Here's hoping, as this would enhance gameplay tremendously for racing fans such as myself. Driving becomes much more accurate and fun in this view IMO. C'mon with it R* !