Monster Energy NASCAR Cup Series – Sonoma Raceway
| No. | Driver | Sponsor | Make | Organization |
| 00 | Landon Cassill | SHARE | Chevrolet | StarCom Racing |
| 1 | Kurt Busch | Monster Energy | Chevrolet | Chip Ganassi Racing |
| 2 | Brad Keselowski | America’s Tire | Ford | Team Penske |
| 3 | Austin Dillon | Dow Coatings | Chevrolet | Richard Childress Racing |
| 4 | Kevin Harvick | Mobil 1 | Ford | Stewart-Haas Racing |
| 6 | Ryan Newman | Wyndham Rewards | Ford | Roush Fenway Racing |
| 8 | Daniel Hemric | Poppy Bank | Chevrolet | Richard Childress Racing |
| 9 | Chase Elliott | NAPA Auto Parts | Chevrolet | Hendrick Motorsports |
| 10 | Aric Almirola | Smithfield | Ford | Stewart-Haas Racing |
| 11 | Denny Hamlin | FedEx Ground | Toyota | Joe Gibbs Racing |
| 12 | Ryan Blaney | PPG | Ford | Team Penske |
| 13 | Ty Dillon | GEICO Military | Chevrolet | Germain Racing |
| 14 | Clint Bowyer | Rush Truck Centers | Ford | Stewart-Haas Racing |
| 15 | Ross Chastain | Premium Motorsports | Chevrolet | Premium Motorsports |
| 17 | Ricky Stenhouse Jr. | Roush Performance/ThanksDW | Ford | Roush Fenway Racing |
| 18 | Kyle Busch | M&M’s Hazelnut | Toyota | Joe Gibbs Racing |
| 19 | Martin Truex Jr. | Bass Pro Shops | Toyota | Joe Gibbs Racing |
| 20 | Erik Jones | Craftsman | Toyota | Joe Gibbs Racing |
| 21 | Paul Menard | Menards/Richmond | Ford | Wood Brothers Racing |
| 22 | Joey Logano | Shell Pennzoil | Ford | Team Penske |
| 24 | William Byron | Hertz | Chevrolet | Hendrick Motorsports |
| 27 | Reed Sorenson | VIP RacingExperience.com | Chevrolet | Premium Motorsports |
| 32 | Corey LaJoie | GMN | Ford | Go Fas Racing |
| 34 | Michael McDowell | Love’s Travel Stops | Ford | Front Row Motorsports |
| 36 | Matt Tifft | Acquire Investments | Ford | Front Row Motorsports |
| 37 | Chris Buescher | Hellmann’s | Chevrolet | JTG Daugherty Racing |
| 38 | David Ragan | #ThanksDW | Ford | Front Row Motorsports |
| 41 | Daniel Suarez | Ruckus | Ford | Stewart-Haas Racing |
| 42 | Kyle Larson | Credit One Bank | Chevrolet | Chip Ganassi Racing |
| 43 | Bubba Wallace | World Wide Technology | Chevrolet | Richard Petty Motorsports |
| 47 | Ryan Preece | Kroger | Chevrolet | JTG Daugherty Racing |
| 48 | Jimmie Johnson | Ally | Chevrolet | Hendrick Motorsports |
| 51 | JJ Yeley | Jacob Companies | Chevrolet | Petty Ware Racing |
| 52 | Cody Ware | SBC Contractors | Chevrolet | Rick Ware Racing |
| 77 | Justin Haley | Formula One Imports | Chevrolet | Spire Motorsports |
| 88 | Alex Bowman | Axalta | Chevrolet | Hendrick Motorsports |
| 95 | Matt DiBenedetto | Procore Thanks DW Throwback | Toyota | Leavine Family Racing |
| 96 | Parker Kligerman | TRD 40th Anniversary | Toyota | Gaunt Brothers Racing |
