NASCAR Cup 2018 Fontana
| Cla | # | Piloto | Fabricante | Voltas | Tempo | Diferença | Intervalo | Mph | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Kevin Harvick | Ford | 1 | 38.147 | 188.744 | |||
| 2 | 42 | Kyle Larson | Chevrolet | 1 | 38.193 | 0.046 | 0.046 | 188.516 | |
| 3 | 78 | Martin Truex Jr. | Toyota | 1 | 38.390 | 0.243 | 0.197 | 187.549 | |
| 4 | 21 | Paul Menard | Ford | 1 | 38.429 | 0.282 | 0.039 | 187.359 | |
| 5 | 20 | Erik Jones | Toyota | 1 | 38.555 | 0.408 | 0.126 | 186.746 | |
| 6 | 2 | Brad Keselowski | Ford | 1 | 38.583 | 0.436 | 0.028 | 186.611 | |
| 7 | 12 | Ryan Blaney | Ford | 1 | 38.602 | 0.455 | 0.019 | 186.519 | |
| 8 | 31 | Ryan Newman | Chevrolet | 1 | 38.616 | 0.469 | 0.014 | 186.451 | |
| 9 | 22 | Joey Logano | Ford | 1 | 38.622 | 0.475 | 0.006 | 186.422 | |
| 10 | 3 | Austin Dillon | Chevrolet | 1 | 38.690 | 0.543 | 0.068 | 186.095 | |
| 11 | 41 | Kurt Busch | Ford | 1 | 38.706 | 0.559 | 0.016 | 186.018 | |
| 12 | 18 | Kyle Busch | Toyota | 1 | 38.847 | 0.700 | 0.141 | 185.342 | |
| 13 | 37 | Chris Buescher | Chevrolet | 1 | 38.895 | 0.748 | 0.048 | 185.114 | |
| 14 | 43 | Darrell Wallace Jr. | Chevrolet | 1 | 38.965 | 0.818 | 0.070 | 184.781 | |
| 15 | 6 | Trevor Bayne | Ford | 1 | 39.034 | 0.887 | 0.069 | 184.455 | |
| 16 | 32 | Matt DiBenedetto | Ford | 1 | 39.088 | 0.941 | 0.054 | 184.200 | |
| 17 | 13 | Ty Dillon | Chevrolet | 1 | 39.091 | 0.944 | 0.003 | 184.186 | |
| 18 | 1 | Jamie McMurray | Chevrolet | 1 | 39.093 | 0.946 | 0.002 | 184.176 | |
| 19 | 38 | David Ragan | Ford | 1 | 39.158 | 1.011 | 0.065 | 183.870 | |
| 20 | 34 | Michael McDowell | Ford | 1 | 39.215 | 1.068 | 0.057 | 183.603 | |
| 21 | 17 | Ricky Stenhouse Jr. | Ford | 1 | 39.514 | 1.367 | 0.299 | 182.214 | |
| 22 | 23 | Gray Gaulding | Toyota | 1 | 40.549 | 2.402 | 1.035 | 177.563 | |
| 23 | 00 | Jeffrey Earnhardt | Chevrolet | 1 | 40.899 | 2.752 | 0.350 | 176.043 | |
| 24 | 55 | Reed Sorenson | Chevrolet | 1 | 53.838 | 15.691 | 12.939 | 133.735 | |
| 25 | 11 | Denny Hamlin | Toyota | 0.000 | 0.000 | ||||
| 26 | 14 | Clint Bowyer | Ford | 0.000 | 0.000 | ||||
| 27 | 10 | Aric Almirola | Ford | 0.000 | 0.000 | ||||
| 28 | 88 | Alex Bowman | Chevrolet | 0.000 | 0.000 | ||||
| 29 | 24 | William Byron | Chevrolet | 0.000 | 0.000 | ||||
| 30 | 19 |  Daniel Suarez | Toyota | 0.000 | 0.000 | ||||
| 31 | 9 | Chase Elliott | Chevrolet | 0.000 | 0.000 | ||||
| 32 | 47 | A.J. Allmendinger | Chevrolet | 0.000 | 0.000 | ||||
| 33 | 48 | Jimmie Johnson | Chevrolet | 0.000 | 0.000 | ||||
| 34 | 95 | Kasey Kahne | Chevrolet | 0.000 | 0.000 | ||||
| 35 | 51 | Timmy Hill | Chevrolet | 0.000 | 0.000 | ||||
| 36 | 15 | Ross Chastain | Chevrolet | 0.000 | 0.000 | ||||
| 37 | 72 | Cole Whitt | Chevrolet | 0.000 | 0.000 |