- 2021 Pennzoil 400 presented by Jiffy Lube Results Stock Car Online Results Reference
- 2021 Pennzoil 400 presented by Jiffy Lube Results Stock Car Online Results Reference
| fin | qual | driver | team | laps led | car | sponsor | pts | laps | status |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Kyle Larson | Hendrick Motorsports | 103 | #5 Chevy Camaro | Hendrickcars.com | 50 | 267 | Finish |
| 2 | 10 | Brad Keselowski | Team Penske | 27 | #2 Ford Mustang | Discount Tire | 54 | 267 | Finish |
| 3 | 14 | Kyle Busch | Joe Gibbs Racing | 0 | #18 Toyota Camry | Ethel M Chocolates | 36 | 267 | Finish |
| 4 | 6 | Denny Hamlin | Joe Gibbs Racing | 47 | #11 Toyota Camry | FedEx Ground | 48 | 267 | Finish |
| 5 | 26 | Ryan Blaney | Team Penske | 1 | #12 Ford Mustang | Menards\Pennzoil | 46 | 267 | Finish |
| 6 | 4 | Martin Truex Jr | Joe Gibbs Racing | 6 | #19 Toyota Camry | Bass Pro | 35 | 267 | Finish |
| 7 | 16 | Christopher Bell | Joe Gibbs Racing | 0 | #20 Toyota Camry | Craftsman | 39 | 267 | Finish |
| 8 | 2 | William Byron | Hendrick Motorsports | 25 | #24 Chevy Camaro | Liberty University | 40 | 267 | Finish |
| 9 | 15 | Joey Logano | Team Penske | 7 | #22 Ford Mustang | Pennzoil | 30 | 267 | Finish |
| 10 | 29 | Erik Jones | Legacy Motor Club | 0 | #43 Chevy Camaro | Medallion Bank | 27 | 267 | Finish |
| 11 | 17 | Ricky Stenhouse Jr | JTG Daugherty Racing | 0 | #47 Chevy Camaro | Kroger | 26 | 267 | Finish |
| 12 | 12 | Austin Dillon | Richard Childress Racing | 0 | #3 Chevy Camaro | BetMGM | 25 | 267 | Finish |
| 13 | 8 | Chase Elliott | Hendrick Motorsports | 22 | #9 Chevy Camaro | NAPA Auto Parts | 34 | 267 | Finish |
| 14 | 18 | Chris Buescher | RFK Racing | 0 | #17 Ford Mustang | Fastenal | 23 | 267 | Finish |
| 15 | 19 | Ryan Preece | JTG Daugherty Racing | 0 | #37 Chevy Camaro | Natural Light Naturdays | 22 | 266 | Finish |
| 16 | 30 | Matt DiBenedetto | Wood Brothers Racing | 0 | #21 Ford Mustang | Motorcraft\Quick Lane | 24 | 266 | Finish |
| 17 | 5 | Michael McDowell | Front Row Motorsports | 9 | #34 Ford Mustang | Love's Travel Stops | 20 | 266 | Finish |
| 18 | 13 | Ryan Newman | RFK Racing | 0 | #6 Ford Mustang | Wyndham Rewards | 19 | 266 | Finish |
| 19 | 7 | Kurt Busch | Chip Ganassi Racing | 0 | #1 Chevy Camaro | Monster Energy | 18 | 266 | Finish |
| 20 | 1 | Kevin Harvick | Stewart-Haas Racing | 0 | #4 Ford Mustang | Mobil 1 | 17 | 266 | Finish |
| 21 | 24 | Chase Briscoe | Stewart-Haas Racing | 0 | #14 Ford Mustang | Ford Performance Racing School | 16 | 266 | Finish |
| 22 | 11 | Tyler Reddick | Richard Childress Racing | 7 | #8 Chevy Camaro | Quartz Hill Records | 15 | 266 | Finish |
| 23 | 21 | Ross Chastain | Chip Ganassi Racing | 0 | #42 Chevy Camaro | Clover | 14 | 266 | Finish |
| 24 | 27 | Anthony Alfredo | Front Row Motorsports | 1 | #38 Ford Mustang | Speedy Cash | 13 | 266 | Finish |
| 25 | 20 | Cole Custer | Stewart-Haas Racing | 0 | #41 Ford Mustang | HaasTooling.com | 12 | 266 | Finish |
| 26 | 22 | Daniel Suárez | Trackhouse Racing | 12 | #99 Chevy Camaro | Camping World | 11 | 265 | Finish |
| 27 | 9 | Alex Bowman | Hendrick Motorsports | 0 | #48 Chevy Camaro | Ally | 21 | 265 | Finish |
| 28 | 23 | Bubba Wallace | 23XI Racing | 0 | #23 Toyota Camry | Columbia Sportswear | 9 | 262 | Finish |
| 29 | 25 | Justin Haley | Spire Motorsports | 0 | #77 Chevy Camaro | NationsGuard | 0 | 262 | Finish |
| 30 | 34 | BJ McLeod | Live Fast Motorsports | 0 | #78 Ford Mustang | Surface Sunscreen | 0 | 260 | Finish |
| 31 | 31 | Garrett Smithley | Rick Ware Racing | 0 | #53 Chevy Camaro | Trophy Tractor | 0 | 259 | Finish |
| 32 | 32 | Cody Ware | Rick Ware Racing | 0 | #51 Chevy Camaro | Nurtec ODT | 0 | 259 | Finish |
| 33 | 36 | Quin Houff | StarCom Racing | 0 | #00 Chevy Camaro | 8 Ball Chocolate Whiskey | 4 | 256 | Finish |
| 34 | 37 | Joey Gase | Rick Ware Racing | 0 | #15 Chevy Camaro | NV Donor Network | 3 | 255 | Finish |
| 35 | 35 | Josh Bilicki | Rick Ware Racing | 0 | #52 Ford Mustang | Dollar Loan Center | 2 | 252 | Finish |
| 36 | 38 | Timmy Hill | Power Source | 0 | #66 Toyota Camry | LasVegas.net | 0 | 246 | Finish |
| 37 | 33 | Corey LaJoie | Spire Motorsports | 0 | #7 Chevy Camaro | Built Bar | 1 | 188 | Rear End |
| 38 | 28 | Aric Almirola | Stewart-Haas Racing | 0 | #10 Ford Mustang | Smithfield Power Bites | 1 | 178 | Accident |