| Sporting |
| Manufacturer entries | Manufacturer may enter two or three cars (was two) for the purpose of scoring points in the Manufacturer’s Championship but only two best will score championship points. |
| Drivers eligible to drive 2017 WRCars | Only drivers entered by manufacturers are eligible to drive 2017 World Rally Cars, with the approval of the FIA. |
| Driver nomination | To provide the opportunity for more drivers to be nominated, from 2017 manufacturer will not be required to nominate the first driver in its team. Nominations will however still be required by the closing date of entries for each event. |
| Start order | Reversed start order is abandoned and for first day, all cars start according to the actual Championship classification. For subsequent days, P1 drivers start in the reverse order of the rally classification while all other drivers start in the order of the rally classification. Restarting P1 crews start at the end of the P1 group. |
| Points for power stage | Championship points for power stage is changed to:
1st - 5 points
2nd - 4 points
3rd - 3 points
4th - 2 points
5th - 1 point |
| Championship points | Should one of the rallies be unable to run in its entirety, Championship points will be awarded in accordance with the percentage of the scheduled length of special stages run as follows:
-full points if 75% or more
-half points if between 50-75%
-one third points if between 25-50%
-no points if less than 25%. |
| Championship points (Juniors) | For JWRC, competitors score points not only for their respective finishing position but also for stage winner(s), called Stage Points. Such points are not awarded for notional or Rally2 times or for those who jump the start. |
| |
| Technical |
| Turbo restrictor | Diameter of turbo restrictor is increased to 36 mm (was 33mm). |
| Minimum weight | The minimum weight of the car is reduced (by 25 kilograms) to 1175 kg (was 1200 kg). |
| Body shell dimensions | WRCar maximum width increases by 55 mm to 1875 mm (was 1820 mm). |
