| Fin | Str | Car | Driver | Make | Laps | Pts | Status | Laps Led |
| 1 | 4 | 18 | Kyle Busch | Toyota | 200 | 60 | Running | 134 |
| 2 | 5 | 22 | Joey Logano | Ford | 200 | 51 | Running | 3 |
| 3 | 13 | 2 | Brad Keselowski | Ford | 200 | 43 | Running | 42 |
| 4 | 2 | 4 | Kevin Harvick | Ford | 200 | 45 | Running | – |
| 5 | 10 | 12 | Ryan Blaney | Ford | 200 | 42 | Running | 2 |
| 6 | 21 | 1 | Kurt Busch | Chevrolet | 200 | 34 | Running | – |
| 7 | 6 | 11 | Denny Hamlin | Toyota | 200 | 40 | Running | 8 |
| 8 | 27 | 19 | Martin Truex Jr. | Toyota | 200 | 29 | Running | – |
| 9 | 3 | 10 | Aric Almirola | Ford | 200 | 40 | Running | 7 |
| 10 | 1 | 3 | Austin Dillon | Chevrolet | 200 | 27 | Running | – |
| 11 | 8 | 9 | Chase Elliott | Chevrolet | 200 | 27 | Running | – |
| 12 | 15 | 42 | Kyle Larson | Chevrolet | 200 | 25 | Running | – |
| 13 | 20 | 41 | Daniel Suarez | Ford | 200 | 28 | Running | – |
| 14 | 12 | 17 | Ricky Stenhouse Jr. | Ford | 200 | 23 | Running | 1 |
| 15 | 22 | 24 | William Byron | Chevrolet | 200 | 22 | Running | 3 |
| 16 | 14 | 37 | Chris Buescher | Chevrolet | 200 | 21 | Running | – |
| 17 | 11 | 48 | Jimmie Johnson | Chevrolet | 200 | 23 | Running | – |
| 18 | 24 | 95 | Matt DiBenedetto | Toyota | 200 | 19 | Running | – |
| 19 | 18 | 20 | Erik Jones | Toyota | 200 | 27 | Running | – |
| 20 | 25 | 21 | Paul Menard | Ford | 200 | 17 | Running | – |
| 21 | 23 | 88 | Alex Bowman | Chevrolet | 200 | 16 | Running | – |
| 22 | 7 | 6 | Ryan Newman | Ford | 199 | 15 | Running | – |
| 23 | 26 | 47 | Ryan Preece # | Chevrolet | 199 | 14 | Running | – |
| 24 | 29 | 34 | Michael McDowell | Ford | 198 | 13 | Running | – |
| 25 | 19 | 38 | David Ragan | Ford | 198 | 12 | Running | – |
| 26 | 32 | 36 | Matt Tifft # | Ford | 197 | 11 | Running | – |
| 27 | 16 | 13 | Ty Dillon | Chevrolet | 197 | 10 | Running | – |
| 28 | 31 | 15 | Ross Chastain | Chevrolet | 195 | 0 | Running | – |
| 29 | 33 | 00 | Landon Cassill | Chevrolet | 195 | 8 | Running | – |
| 30 | 28 | 43 | Bubba Wallace | Chevrolet | 194 | 7 | Running | – |
| 31 | 30 | 32 | Corey LaJoie | Ford | 193 | 6 | Running | – |
| 32 | 34 | 51 | Cody Ware # | Chevrolet | 192 | 5 | Running | – |
| 33 | 17 | 8 | Daniel Hemric # | Chevrolet | 192 | 5 | Running | – |
| 34 | 35 | 27 | Reed Sorenson | Chevrolet | 192 | 3 | Running | – |
| 35 | 38 | 66 | Joey Gase | Toyota | 188 | 0 | Running | – |
| 36 | 37 | 77 | Garrett Smithley | Chevrolet | 188 | 0 | Running | – |
| 37 | 36 | 52 | BJ McLeod | Ford | 172 | 0 | Running | – |
| 38 | 9 | 14 | Clint Bowyer | Ford | 130 | 1 | Overheating | – |
Time of Race: 2 Hrs, 47 Mins, 42 Secs.
Average Speed: 143.113 MPH
Margin of Victory: 2.354 Seconds
Stage 1 Top 10: 18, 22, 11, 4, 10, 20, 41, 48, 12, 8
Stage 2 Top 10: 18, 2, 12, 22, 10, 4, 20, 1, 11, 9
Race Comments: Kyle Busch won the 23rd Annual Auto Club 400, his 53rd victory in 504 Monster Energy Cup Series races. Prior to the start of the race, the following car(s) dropped to the rear of the field under penalty for the reasons indicated: #36 (engine change) and #34 (twice failed inspection). Race Story
Caution Flags: 4 for 22 laps; Laps: 57-59 (#3 Debris Turn 1 [37]); 61-68 (#17, #19, #20, #42 Incident Turn 2 (Stage 1 Conclusion) [47]); 122-127 (Stage 2 Conclusion [17]); 165-169 (#43 Debris Turn 1 [1]).
Lead Changes: 18 among 9 drivers; A. Dillon 0; D. Hamlin 1-2; A. Almirola 3-9; D. Hamlin 10-12; K. Busch 13-30; W. Byron 31-33; K. Busch 34-56; D. Hamlin 57-59; K. Busch 60-69;
