- 2021 South Point 400 Results Stock Car Online Results Reference
- 2021 South Point 400 Results Stock Car Online Results Reference
| fin | qual | driver | team | laps led | car | sponsor | pts | laps | status |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Denny Hamlin | Joe Gibbs Racing | 137 | #11 Toyota Camry | FedEx Office | 58 | 267 | Finish |
| 2 | 11 | Chase Elliott | Hendrick Motorsports | 1 | #9 Chevy Camaro | NAPA Auto Parts | 40 | 267 | Finish |
| 3 | 10 | Kyle Busch | Joe Gibbs Racing | 2 | #18 Toyota Camry | M&M's Ethel M | 52 | 267 | Finish |
| 4 | 4 | Martin Truex Jr | Joe Gibbs Racing | 1 | #19 Toyota Camry | Bass Pro Shops | 41 | 267 | Finish |
| 5 | 2 | Ryan Blaney | Team Penske | 8 | #12 Ford Mustang | Menards \ Knauf | 39 | 267 | Finish |
| 6 | 13 | Tyler Reddick | Richard Childress Racing | 5 | #8 Chevy Camaro | Cat Trial 11: Hot Wheels | 43 | 267 | Finish |
| 7 | 8 | Brad Keselowski | Team Penske | 4 | #2 Ford Mustang | AutoTrader | 35 | 267 | Finish |
| 8 | 20 | Kurt Busch | Chip Ganassi Racing | 0 | #1 Chevy Camaro | Monster Energy | 33 | 267 | Finish |
| 9 | 5 | Kevin Harvick | Stewart-Haas Racing | 0 | #4 Ford Mustang | Subway Delivery | 34 | 267 | Finish |
| 10 | 1 | Kyle Larson | Hendrick Motorsports | 95 | #5 Chevy Camaro | Tarlton and Son | 37 | 267 | Finish |
| 11 | 9 | Joey Logano | Team Penske | 0 | #22 Ford Mustang | Pennzoil | 32 | 267 | Finish |
| 12 | 14 | Matt DiBenedetto | Wood Brothers Racing | 0 | #21 Ford Mustang | Suicide Prevention Lifeline | 27 | 267 | Finish |
| 13 | 15 | Austin Dillon | Richard Childress Racing | 7 | #3 Chevy Camaro | BetMGM | 26 | 266 | Finish |
| 14 | 19 | Chase Briscoe | Stewart-Haas Racing | 0 | #14 Ford Mustang | One Cure | 23 | 266 | Finish |
| 15 | 26 | Daniel Suárez | Trackhouse Racing | 0 | #99 Chevy Camaro | Good Sam | 22 | 266 | Finish |
| 16 | 21 | Bubba Wallace | 23XI Racing | 0 | #23 Toyota Camry | Dr. Pepper | 22 | 266 | Finish |
| 17 | 22 | Ricky Stenhouse Jr | JTG Daugherty Racing | 0 | #47 Chevy Camaro | Kroger/ Healthy Choice | 20 | 266 | Finish |
| 18 | 3 | William Byron | Hendrick Motorsports | 7 | #24 Chevy Camaro | 24 Axalta/Service King | 25 | 266 | Finish |
| 19 | 17 | Aric Almirola | Stewart-Haas Racing | 0 | #10 Ford Mustang | Mobil 1 | 18 | 266 | Finish |
| 20 | 29 | Ryan Newman | RFK Racing | 0 | #6 Ford Mustang | Guaranteed Rate | 17 | 266 | Finish |
| 21 | 23 | Michael McDowell | Front Row Motorsports | 0 | #34 Ford Mustang | CarParts.com | 16 | 266 | Finish |
| 22 | 7 | Alex Bowman | Hendrick Motorsports | 0 | #48 Chevy Camaro | Ally | 15 | 265 | Finish |
| 23 | 18 | Ross Chastain | Chip Ganassi Racing | 0 | #42 Chevy Camaro | Clover | 14 | 265 | Finish |
| 24 | 12 | Christopher Bell | Joe Gibbs Racing | 0 | #20 Toyota Camry | SiriusXM | 13 | 265 | Finish |
| 25 | 25 | Chris Buescher | RFK Racing | 0 | #17 Ford Mustang | Violet Defense | 12 | 265 | Finish |
| 26 | 16 | Erik Jones | Legacy Motor Club | 0 | #43 Chevy Camaro | Medallion Bank | 11 | 265 | Finish |
| 27 | 32 | Anthony Alfredo | Front Row Motorsports | 0 | #38 Ford Mustang | Dockside Logistics | 10 | 265 | Finish |
| 28 | 24 | Ryan Preece | JTG Daugherty Racing | 0 | #37 Chevy Camaro | Natural Light Vodka | 9 | 265 | Finish |
| 29 | 28 | Cole Custer | Stewart-Haas Racing | 0 | #41 Ford Mustang | Dixie Vodka Greyhound Cocktail | 8 | 265 | Finish |
| 30 | 27 | Corey LaJoie | Spire Motorsports | 0 | #7 Chevy Camaro | Built Bar | 7 | 264 | Finish |
| 31 | 35 | Cody Ware | Rick Ware Racing | 0 | #51 Chevy Camaro | Nurtec ODT | 0 | 260 | Finish |
| 32 | 33 | Justin Haley | Spire Motorsports | 0 | #77 Chevy Camaro | Nations Guard | 0 | 260 | Finish |
| 33 | 34 | BJ McLeod | Live Fast Motorsports | 0 | #78 Ford Mustang | International Materials | 0 | 257 | Finish |
| 34 | 36 | Quin Houff | StarCom Racing | 0 | #00 Chevy Camaro | Eagle Rock Wealth | 3 | 255 | Finish |
| 35 | 30 | Garrett Smithley | Rick Ware Racing | 0 | #53 Chevy Camaro | RED LINE | 0 | 254 | Finish |
| 36 | 31 | Josh Bilicki | Rick Ware Racing | 0 | #52 Ford Mustang | Byrna.com | 1 | 252 | Finish |
| 37 | 37 | Joey Gase | Rick Ware Racing | 0 | #15 Chevy Camaro | NV Donate Life | 0 | 84 | Accident |
| 38 | 38 | JJ Yeley | Power Source | 0 | #66 Toyota Camry | Fat Boy Ice Cream | 0 | 76 | Handling |