Restriction races impose a condition on the car entering the competition. These races are available Tier 2 onwards, though once Tier 5 is beaten, it is available to Tier 1 as well.
| Challenge Name | Requirement |
|---|---|
| Light Weight Derby | Requires the weight of the car below a certain value |
| Heavy Weight Contest | Requires the weight of the car above a certain value |
| Road Tire Trophy | Tire upgrades not allowed |
| Burning Rubber Challenge | Tires must be upgraded |
| No Gas Trophy | Nitrous upgrades not allowed |
| Laughing Gas Challenge | Nitrous upgrade required |
| Wrong Wheels Challenge | Requires front wheel drive car (FWD) |
| Rear Wheel Thunder / Stomping Ground / Hunting Ground | Requires rear wheel drive car (RWD) |
| All Wheel Drive Contest | Requres all wheel drive car (AWD) |
| Nissan GT-R Cup | Requires a Nissan GT-R |
| Mustang Cobra Jet Cup | Requires a Ford Mustang Cobra Jet |
| Audi R8 LMS Cup | Requires an Audi R8 LMS ultra |
