That particular game uses next to no RT. I think it only uses RT in the Garage and vista modes, not in actual racing. There is a mod to enable it while racing.
Latest patch brought RT to your car only, in gameplay.
Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.