Practice to Qualifying
NASCAR Cup Series
Pennzoil 400 presented by Jiffy Lube
Las Vegas Motor Speedway
March 7th, 2021
Race #4 of the 2021 NASCAR Cup Series Season
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| Driver | Car # | Make | ST | SPD Q | AVG ST | +/- |
|---|---|---|---|---|---|---|
| Quin Houff | 00 | Chevrolet | 36 | 0.000 | 34 | -2 |
| Kurt Busch | 1 | Chevrolet | 7 | 0.000 | 14 | +7 |
| Aric Almirola | 10 | Ford | 28 | 0.000 | 16 | -12 |
| Denny Hamlin | 11 | Toyota | 6 | 0.000 | 13 | +7 |
| Ryan Blaney | 12 | Ford | 26 | 0.000 | 12 | -14 |
| Chase Briscoe | 14 | Ford | 24 | 0.000 | 15 | -9 |
| Joey Gase | 15 | Chevrolet | 37 | 0.000 | 36 | -1 |
| Chris Buescher | 17 | Ford | 18 | 0.000 | 18 | +0 |
| Kyle Busch | 18 | Toyota | 14 | 0.000 | 13 | -1 |
| Martin Truex Jr | 19 | Toyota | 4 | 0.000 | 11 | +7 |
| Brad Keselowski | 2 | Ford | 10 | 0.000 | 15 | +5 |
| Christopher Bell | 20 | Toyota | 16 | 0.000 | 12 | -4 |
| Matt DiBenedetto | 21 | Ford | 30 | 0.000 | 21 | -9 |
| Joey Logano | 22 | Ford | 15 | 0.000 | 8 | -7 |
| Bubba Wallace | 23 | Toyota | 23 | 0.000 | 18 | -5 |
| William Byron | 24 | Chevrolet | 2 | 0.000 | 8 | +6 |
| Austin Dillon | 3 | Chevrolet | 12 | 0.000 | 14 | +2 |
| Michael McDowell | 34 | Ford | 5 | 0.000 | 17 | +12 |
| Ryan Preece | 37 | Chevrolet | 19 | 0.000 | 25 | +6 |
| Anthony Alfredo | 38 | Ford | 27 | 0.000 | 30 | +3 |
| Kevin Harvick | 4 | Ford | 1 | 0.000 | 10 | +9 |
| Cole Custer | 41 | Ford | 20 | 0.000 | 23 | +3 |
| Ross Chastain | 42 | Chevrolet | 21 | 0.000 | 17 | -4 |
| Erik Jones | 43 | Chevrolet | 29 | 0.000 | 21 | -8 |
| Ricky Stenhouse Jr | 47 | Chevrolet | 17 | 0.000 | 21 | +4 |
| Alex Bowman | 48 | Chevrolet | 9 | 0.000 | 13 | +4 |
| Kyle Larson | 5 | Chevrolet | 3 | 0.000 | 6 | +3 |
| Cody Ware | 51 | Chevrolet | 32 | 0.000 | 33 | +1 |
| Josh Bilicki | 52 | Ford | 35 | 0.000 | 35 | -1 |
| Garrett Smithley | 53 | Chevrolet | 31 | 0.000 | 33 | +2 |
| Ryan Newman | 6 | Ford | 13 | 0.000 | 22 | +9 |
| Timmy Hill | 66 | Toyota | 38 | 0.000 | 37 | -1 |
| Corey Lajoie | 7 | Chevrolet | 33 | 0.000 | 28 | -5 |
| Justin Haley | 77 | Chevrolet | 25 | 0.000 | 28 | +3 |
| BJ McLeod | 78 | Ford | 34 | 0.000 | 34 | +0 |
| Tyler Reddick | 8 | Chevrolet | 11 | 0.000 | 15 | +4 |
| Chase Elliott | 9 | Chevrolet | 8 | 0.000 | 12 | +4 |
| Daniel Suarez | 99 | Chevrolet | 22 | 0.000 | 22 | +0 |