NASCAR Cup Series Driver Power Rankings after 2018 South Point 400
By Asher Fair
#20 through #17
Chip Ganassi Racing, Chevrolet. JAMIE MCMURRAY. #20. . No. 1
| Last Rank | 19th (-1) |
| Races | 27 |
| Top 10 finishes | 6 |
| Top 5 finishes | 1 |
| Podium finishes | 1 |
| Wins | 0 |
| Average finish | 19.59 |
| Average finish in last five races | 20.20 |
| Most recent finish | 35th |
| Points in most recent race | 8 |
| Stage wins | 0 |
| Stage points | 29 |
| Playoff points | 0 |
| Standings position | 21st |
| Points | 502 |
. No. 21. Wood Brothers Racing, Ford. PAUL MENARD. #19
| Last Rank | 20th (+1) |
| Races | 27 |
| Top 10 finishes | 6 |
| Top 5 finishes | 1 |
| Podium finishes | 0 |
| Wins | 0 |
| Average finish | 18.48 |
| Average finish in last five races | 17.60 |
| Most recent finish | 10th |
| Points in most recent race | 27 |
| Stage wins | 1 |
| Stage points | 47 |
| Playoff points | 1 |
| Standings position | 18th |
| Points | 551 |
#18. . No. 19. Joe Gibbs Racing, Toyota. DANIEL SUAREZ
| Last Rank | 18th (-) |
| Races | 27 |
| Top 10 finishes | 7 |
| Top 5 finishes | 3 |
| Podium finishes | 2 |
| Wins | 0 |
| Average finish | 17.59 |
| Average finish in last five races | 16.80 |
| Most recent finish | 8th |
| Points in most recent race | 19 |
| Stage wins | 0 |
| Stage points | 32 |
| Playoff points | 0 |
| Standings position | 19th |
| Points | 530 |
RYAN NEWMAN. #17. . No. 31. Richard Childress Racing, Chevrolet
| Last Rank | 17th (-) |
| Races | 27 |
| Top 10 finishes | 8 |
| Top 5 finishes | 0 |
| Podium finishes | 0 |
| Wins | 0 |
| Average finish | 18.00 |
| Average finish in last five races | 13.00 |
| Most recent finish | 9th |
| Points in most recent race | 29 |
| Stage wins | 0 |
| Stage points | 42 |
| Playoff points | 0 |
| Standings position | 17th |
| Points | 561 |