{{Use mdy dates|date=February 2025}}

{{Infobox NASCAR race report | Type = NASME | Description = <!-- Use only if CUSTOM is used --> | Race Name = Auto Club 400 | Details ref = <ref>{{cite web|title=2018 schedule|url=http://www.jayski.com/news/pages/story/_/page/2018-NASCAR-Cup-Schedule|website=Jayski.com|publisher=Jayski's Silly Season Site|access-date=February 12, 2018|date=May 5, 2017|archive-url=https://web.archive.org/web/20171224004109/http://www.jayski.com/news/pages/story/_/page/2018-NASCAR-Cup-Schedule|archive-date=December 24, 2017|url-status=dead}}</ref><ref>{{cite web|title=Auto Club Speedway|url=http://www.nascar.com/en_us/nascar-tracks/auto-club-speedway.html|website=NASCAR.com|publisher=NASCAR Media Group, LLC.|access-date=February 12, 2018|date=January 3, 2013}}</ref><ref>{{cite web|title=Entry List|url=https://www.mrn.com/2018/03/12/2018-auto-club-400-entry-list/|website=MRN.com|publisher=Motor Racing Network|access-date=March 12, 2018|date=March 12, 2018}}</ref><ref>{{cite web|title=First Practice Results|url=https://www.mrn.com/2018/03/16/auto-club-400-first-practice-speeds/|website=MRN.com|publisher=Motor Racing Network|access-date=March 16, 2018|date=March 16, 2018}}</ref><ref>{{cite web|title=Qualifying Results|url=https://www.mrn.com/2018/03/16/auto-club-400-qualifying-results/|website=MRN.com|publisher=Motor Racing Network|access-date=March 16, 2018|date=March 16, 2018}}</ref><ref>{{cite web|title=Second Practice Results|url=https://www.mrn.com/2018/03/17/auto-club-400-second-practice-speeds/|website=MRN.com|publisher=Motor Racing Network|access-date=March 17, 2018|date=March 17, 2018}}</ref><ref>{{cite web|title=Final Practice Results|url=https://www.mrn.com/2018/03/17/auto-club-400-final-practice-speeds/|website=MRN.com|publisher=Motor Racing Network|access-date=March 17, 2018|date=March 17, 2018}}</ref><ref>{{cite web|title=Auto Club 400 Results|url=https://www.mrn.com/2018/03/18/auto-club-400-results/|website=MRN.com|publisher=Motor Racing Network|access-date=March 18, 2018|date=March 18, 2018}}</ref><ref>{{cite web|title=Points standings|url=http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf|website=Jayski.com|publisher=Jayski's Silly Season Site|access-date=March 19, 2018|date=March 19, 2018|archive-url=https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf|archive-date=March 20, 2018|url-status=dead}}</ref><ref>{{cite web|title=Manufacturer standings|url=http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf|website=Jayski.com|publisher=Jayski's Silly Season Site|access-date=March 19, 2018|date=March 19, 2018|archive-url=https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf|archive-date=March 20, 2018|url-status=dead}}</ref> | Fulldate = {{Start date|2018|03|18}} | Year = 2018 | Race_No = 5 | Season_No = 36 | Image =2018_Auto_Club_400_program_cover.png | Caption =2018 Auto Club 400 program cover | Location = Auto Club Speedway in Fontana, California | Course_mi = 2 | Course_km = 3.22 | Distance_laps = 200 | Distance_mi = 400 | Distance_km = 640 | Weather = | Avg = {{convert|147.526|mph|km/h}} | Pole_Driver = Martin Truex Jr. | Pole_Team = Furniture Row Racing | Pole_Time = 38.592 | Most_Driver = Martin Truex Jr. | Most_Team = Furniture Row Racing | Most_laps = 125 | Car = 78 | First_Driver = Martin Truex Jr. | First_Team = Furniture Row Racing | Network = Fox | Announcers = Mike Joy, Jeff Gordon and Darrell Waltrip | Ratings = 2.4 (Overnight)<ref>{{cite web|title=Auto Club Speedway final TV ratings|url=http://www.espn.com/jayski/cup/2018/story/_/id/22834882/auto-club-speedway-final-tv-ratings|website=Jayski's Silly Season Site|publisher=ESPN|access-date=7 May 2018}}</ref> | Radio = MRN | Booth_Ann = Joe Moore, Jeff Striegle and Rusty Wallace | Turn_Ann = Dan Hubbard (1 & 2) and Kurt Becker (3 & 4) }} The '''2018 Auto Club 400''' was a Monster Energy NASCAR Cup Series race that was held on March 18, 2018, at Auto Club Speedway in Fontana, California. Contested over 200 laps on the {{convert|2|mi|km|adj=on|spell=in}} D-shaped oval, it was the fifth race of the 2018 Monster Energy NASCAR Cup Series season.

==Report==

===Background=== thumb|left|Auto Club Speedway, the track where the race was held. '''Auto Club Speedway''' (previously California Speedway) was a {{convert|2|mi|km|adj=on|spell=in}}, low-banked, D-shaped oval superspeedway in Fontana, California which hosted NASCAR racing annually from 1997 to 2023. It was also used for open wheel racing events. The racetrack was located near the former locations of Ontario Motor Speedway and Riverside International Raceway. The track was owned and operated by International Speedway Corporation and was the only track owned by ISC to have its naming rights sold. The speedway was served by the nearby Interstate 10 and Interstate 15 freeways as well as a Metrolink station located behind the backstretch. {{Clear}}

====Entry list==== {| class="wikitable" style="font-size:95%" |- ! {{Tooltip|No.|Car number}} ! Driver ! Team ! Manufacturer |- | 00 || Jeffrey Earnhardt || StarCom Racing || Chevrolet |- | 1 || Jamie McMurray || Chip Ganassi Racing || Chevrolet |- | 2 || Brad Keselowski || Team Penske || Ford |- | 3 || Austin Dillon || Richard Childress Racing || Chevrolet |- | 4 || Kevin Harvick || Stewart–Haas Racing|| Ford |- | 6 || Trevor Bayne || Roush Fenway Racing || Ford |- | 9 || Chase Elliott || Hendrick Motorsports || Chevrolet |- | 10 || Aric Almirola || Stewart–Haas Racing|| Ford |- | 11 || Denny Hamlin || Joe Gibbs Racing || Toyota |- | 12 || Ryan Blaney || Team Penske || Ford |- | 13 || Ty Dillon || Germain Racing || Chevrolet |- | 14 || Clint Bowyer || Stewart–Haas Racing|| Ford |- | 15 || Ross Chastain '''(i)''' || Premium Motorsports || Chevrolet |- | 17 || Ricky Stenhouse Jr. || Roush Fenway Racing || Ford |- | 18 || Kyle Busch || Joe Gibbs Racing || Toyota |- | 19 || Daniel Suárez || Joe Gibbs Racing || Toyota |- | 20 || Erik Jones || Joe Gibbs Racing || Toyota |- | 21 || Paul Menard || Wood Brothers Racing || Ford |- | 22 || Joey Logano || Team Penske || Ford |- | 23 || Gray Gaulding || BK Racing || Toyota |- | 24 || William Byron '''(R)''' || Hendrick Motorsports || Chevrolet |- | 31 || Ryan Newman || Richard Childress Racing || Chevrolet |- | 32 || Matt DiBenedetto || Go Fas Racing || Ford |- | 34 || Michael McDowell || Front Row Motorsports || Ford |- | 37 || Chris Buescher || JTG Daugherty Racing || Chevrolet |- | 38 || David Ragan || Front Row Motorsports || Ford |- | 41 || Kurt Busch || Stewart–Haas Racing|| Ford |- | 42 || Kyle Larson || Chip Ganassi Racing || Chevrolet |- | 43 || Bubba Wallace '''(R)''' || Richard Petty Motorsports || Chevrolet |- | 47 || A. J. Allmendinger || JTG Daugherty Racing || Chevrolet |- | 48 || Jimmie Johnson || Hendrick Motorsports || Chevrolet |- | 51 || Timmy Hill '''(i)''' || Rick Ware Racing || Toyota |- | 55 || Reed Sorenson || Premium Motorsports || Chevrolet |- | 72 || Cole Whitt || TriStar Motorsports || Chevrolet |- | 78 || Martin Truex Jr. || Furniture Row Racing || Toyota |- | 88 || Alex Bowman || Hendrick Motorsports || Chevrolet |- | 95 || Kasey Kahne || Leavine Family Racing || Chevrolet |- !colspan="4"|[https://web.archive.org/web/20180313031637/http://www.jayski.com/stats/2018/pdfs/05acs2018entry.pdf Official entry list] |}

==First practice== Kevin Harvick was the fastest in the first practice session with a time of 38.082 seconds and a speed of {{Convert|189.066|mph|km/h|abbr=on}}.<ref>{{cite web|last=Utter|first=Jim|title=Kevin Harvick fastest in Friday's lone Cup practice at Fontana|url=https://www.motorsport.com/nascar-cup/news/kevin-harvick-fastest-in-friday-s-cup-practice-at-fontana-1015346/|website=Motorsport.com|publisher=Motorsport Network|access-date=March 16, 2018|location=Fontana, California|date=March 16, 2018}}</ref>

{| class="wikitable" style="font-size:95%" |- ! Pos ! {{Tooltip|No.|Car number}} ! Driver ! Team ! Manufacturer ! Time ! {{Tooltip|Speed|MPH}} |- ! 1 | 4 || Kevin Harvick || Stewart–Haas Racing || Ford || 38.082 || 189.066 |- ! 2 | 14 || Clint Bowyer || Stewart–Haas Racing || Ford || 38.255 || 188.211 |- ! 3 | 10 || Aric Almirola || Stewart–Haas Racing || Ford || 38.311 || 187.936 |- !colspan="7"|[https://web.archive.org/web/20180317102402/http://www.jayski.com/stats/2018/pdfs/05acs2018prac1.pdf Official first practice results] |}

==Qualifying== Martin Truex Jr. scored the pole for the race with a time of 38.592 and a speed of {{Convert|186.567|mph|km/h|abbr=on}}.<ref>{{cite news|last=Beacham|first=Greg|title=Truex claims 17th NASCAR Cup pole in Fontana|url=https://racing.ap.org/article/truex-claims-17th-nascar-cup-pole-fontana|access-date=March 16, 2018|work=Associated Press|agency=Associated Press|publisher=AP Sports|date=March 16, 2018|location=Fontana, California|archive-url=https://web.archive.org/web/20180317164755/https://racing.ap.org/article/truex-claims-17th-nascar-cup-pole-fontana|archive-date=March 17, 2018|url-status=dead}}</ref>

===Qualifying results=== {| class="wikitable" style="font-size:95%" |- ! Pos ! {{Tooltip|No.|Car number}} ! Driver ! Team ! Manufacturer ! {{Tooltip|R1|Best time in Round 1}} ! {{Tooltip|R2|Best time in Round 2}} ! {{Tooltip|R3|Best time in Round 3}} |- ! 1 |78 ||Martin Truex Jr. ||Furniture Row Racing ||Toyota ||38.390 ||38.686 ||'''38.592''' |- ! 2 |18 ||Kyle Busch ||Joe Gibbs Racing ||Toyota ||38.847 ||38.411 ||38.619 |- ! 3 |42 ||Kyle Larson ||Chip Ganassi Racing ||Chevrolet ||38.193 ||38.491 ||38.683 |- ! 4 |20 ||Erik Jones ||Joe Gibbs Racing ||Toyota ||38.555 ||38.683 ||38.700 |- ! 5 |3 ||Austin Dillon ||Richard Childress Racing ||Chevrolet ||38.690 ||38.749 ||38.770 |- ! 6 |22 ||Joey Logano ||Team Penske ||Ford ||38.622 ||38.614 ||38.798 |- ! 7 |41 ||Kurt Busch ||Stewart–Haas Racing||Ford ||38.706 ||38.533 ||38.880 |- ! 8 |12 ||Ryan Blaney ||Team Penske ||Ford ||38.602 ||38.582 ||38.903 |- ! 9 |31 ||Ryan Newman ||Richard Childress Racing ||Chevrolet ||38.616 ||38.820 ||38.951 |- ! 10 |4 ||Kevin Harvick ||Stewart–Haas Racing||Ford ||'''38.147''' ||'''38.355''' ||39.038 |- ! 11 |2 ||Brad Keselowski ||Team Penske ||Ford ||38.583 ||38.892 ||39.054 |- ! 12 |37 ||Chris Buescher ||JTG Daugherty Racing ||Chevrolet ||38.895 ||38.677 ||39.058 |- ! 13 |6 ||Trevor Bayne ||Roush Fenway Racing ||Ford ||39.034 ||38.973 || — |- ! 14 |21 ||Paul Menard ||Wood Brothers Racing ||Ford ||38.429 ||39.004 || — |- ! 15 |1 ||Jamie McMurray ||Chip Ganassi Racing ||Chevrolet ||39.093 ||39.106 || — |- ! 16 |17 ||Ricky Stenhouse Jr. ||Roush Fenway Racing ||Ford ||39.514 ||39.169 || — |- ! 17 |13 ||Ty Dillon ||Germain Racing ||Chevrolet ||39.091 ||39.198 || — |- ! 18 |32 ||Matt DiBenedetto ||Go Fas Racing ||Ford ||39.088 ||39.259 || — |- ! 19 |43 ||Bubba Wallace '''(R)''' ||Richard Petty Motorsports ||Chevrolet ||38.965 ||39.377 || — |- ! 20 |23 ||Gray Gaulding ||BK Racing ||Toyota ||40.549 ||41.105 || — |- ! 21 |38 ||David Ragan ||Front Row Motorsports ||Ford ||39.158 ||0.000 || — |- ! 22 |34 ||Michael McDowell ||Front Row Motorsports ||Ford ||39.215 ||0.000 || — |- ! 23 |00 ||Jeffrey Earnhardt ||StarCom Racing ||Chevrolet ||40.899 ||0.000 || — |- ! 24 |55 ||Reed Sorenson ||Premium Motorsports ||Chevrolet ||53.838 ||0.000 || — |- ! 25 |11 ||Denny Hamlin ||Joe Gibbs Racing ||Toyota ||0.000 || — || — |- ! 26 |14 ||Clint Bowyer ||Stewart–Haas Racing||Ford ||0.000 || — || — |- ! 27 |10 ||Aric Almirola ||Stewart–Haas Racing||Ford ||0.000 || — || — |- ! 28 |88 ||Alex Bowman ||Hendrick Motorsports ||Chevrolet ||0.000 || — || — |- ! 29 |24 ||William Byron '''(R)''' ||Hendrick Motorsports ||Chevrolet ||0.000 || — || — |- ! 30 |19 ||Daniel Suárez ||Joe Gibbs Racing ||Toyota ||0.000 || — || — |- ! 31 |9 ||Chase Elliott ||Hendrick Motorsports ||Chevrolet ||0.000 || — || — |- ! 32 |47 ||A. J. Allmendinger ||JTG Daugherty Racing ||Chevrolet ||0.000 || — || — |- ! 33 |48 ||Jimmie Johnson ||Hendrick Motorsports ||Chevrolet ||0.000 || — || — |- ! 34 |95 ||Kasey Kahne ||Leavine Family Racing ||Chevrolet ||0.000 || — || — |- ! 35 |51 ||Timmy Hill '''(i)''' ||Rick Ware Racing ||Toyota ||0.000 || — || — |- ! 36 |15 ||Ross Chastain '''(i)''' ||Premium Motorsports ||Chevrolet ||0.000 || — || — |- ! 37 |72 ||Cole Whitt ||TriStar Motorsports ||Chevrolet ||0.000 || — || — |- !colspan="8"|[https://web.archive.org/web/20180317102956/http://www.jayski.com/stats/2018/pdfs/05acs2018qualresults.pdf Official qualifying results] |}

==Practice (post-qualifying)==

===Second practice=== Kevin Harvick was the fastest in the second practice session with a time of 38.694 seconds and a speed of {{Convert|186.075|mph|km/h|abbr=on}}.<ref>{{cite web|last=DeGroot|first=Nick|title=Kevin Harvick leads second Cup practice at Fontana|url=https://www.motorsport.com/nascar-cup/news/kevin-harvick-leads-second-cup-practice-at-fontana-1015626/|website=Motorsport.com|publisher=Motorsport Network|access-date=March 17, 2018|location=Fontana, California|date=March 17, 2018}}</ref>

{| class="wikitable" style="font-size:95%" |- ! Pos ! {{Tooltip|No.|Car number}} ! Driver ! Team ! Manufacturer ! Time ! {{Tooltip|Speed|MPH}} |- ! 1 | 4 || Kevin Harvick || Stewart–Haas Racing || Ford || 38.694 || 186.075 |- ! 2 | 41 || Kurt Busch || Stewart–Haas Racing || Ford || 39.039 || 184.431 |- ! 3 | 9 || Chase Elliott || Hendrick Motorsports || Chevrolet || 39.126 || 184.021 |- !colspan="7"|[https://web.archive.org/web/20180318054421/http://www.jayski.com/stats/2018/pdfs/05acs2018prac2.pdf Official second practice results] |}

===Final practice=== Kyle Busch was the fastest in the final practice session with a time of 38.779 seconds and a speed of {{Convert|185.668|mph|km/h|abbr=on}}.<ref>{{cite web|last=Utter|first=Jim|title=Kyle Busch tops final practice at Fontana|url=https://www.motorsport.com/nascar-cup/news/kyle-busch-tops-final-practice-at-fontana-1015715/|website=Motorsport.com|publisher=Motorsport Network|access-date=March 17, 2018|location=Fontana, California|date=March 17, 2018}}</ref>

{| class="wikitable" style="font-size:95%" |- ! Pos ! {{Tooltip|No.|Car number}} ! Driver ! Team ! Manufacturer ! Time ! {{Tooltip|Speed|MPH}} |- ! 1 | 18 || Kyle Busch || Joe Gibbs Racing || Toyota || 38.779 || 185.668 |- ! 2 | 78 || Martin Truex Jr. || Furniture Row Racing || Toyota || 38.852 || 185.319 |- ! 3 | 48 || Jimmie Johnson || Hendrick Motorsports || Chevrolet || 39.019 || 184.525 |- !colspan="7"|[https://web.archive.org/web/20180318054609/http://www.jayski.com/stats/2018/pdfs/05acs2018prac3.pdf Official final practice results] |}

== Race results == [[File:Martin_Truex_Jr._2018_NASCAR_Media_Tour.jpg|thumb|Martin Truex Jr. swept all three stages and won the race from the pole position.]]

===Stage Results===

'''Stage 1''' ''Laps:'' 60

{| class="wikitable" style="font-size:98%" |- ! Pos ! {{Tooltip|No|Car Number}} ! Driver ! Team ! Manufacturer ! Points |- |1 || 78 || Martin Truex Jr. || Furniture Row Racing || Toyota || 10 |- |2 || 18 || Kyle Busch || Joe Gibbs Racing || Toyota || 9 |- |3 || 22 || Joey Logano || Team Penske || Ford || 8 |- |4 || 2 || Brad Keselowski || Team Penske || Ford || 7 |- |5 || 48 || Jimmie Johnson || Hendrick Motorsports || Chevrolet || 6 |- |6 || 42 || Kyle Larson || Chip Ganassi Racing || Chevrolet || 5 |- |7 || 41 || Kurt Busch || Stewart–Haas Racing || Ford || 4 |- |8 || 20 || Erik Jones || Joe Gibbs Racing || Toyota || 3 |- |9 || 14 || Clint Bowyer || Stewart–Haas Racing || Ford || 2 |- |10 || 11 || Denny Hamlin || Joe Gibbs Racing || Toyota || 1 |- !colspan="6"|[https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf Official stage one results] |}

'''Stage 2''' ''Laps:'' 60

{| class="wikitable" style="font-size:98%" |- ! Pos ! {{Tooltip|No|Car Number}} ! Driver ! Team ! Manufacturer ! Points |- |1 || 78 || Martin Truex Jr. || Furniture Row Racing || Toyota || 10 |- |2 || 2 || Brad Keselowski || Team Penske || Ford || 9 |- |3 || 18 || Kyle Busch || Joe Gibbs Racing || Toyota || 8 |- |4 || 11 || Denny Hamlin || Joe Gibbs Racing || Toyota || 7 |- |5 || 20 || Erik Jones || Joe Gibbs Racing || Toyota || 6 |- |6 || 22 || Joey Logano || Team Penske || Ford || 5 |- |7 || 48 || Jimmie Johnson || Hendrick Motorsports || Chevrolet || 4 |- |8 || 42 || Kyle Larson || Chip Ganassi Racing || Chevrolet || 3 |- |9 || 14 || Clint Bowyer || Stewart–Haas Racing || Ford || 2 |- |10 || 24 || William Byron '''(R)''' || Hendrick Motorsports || Chevrolet || 1 |- !colspan="6"|[https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf Official stage two results] |}

===Final Stage Results===

'''Stage 3''' ''Laps:'' 80

{| class="wikitable" style="font-size:98%" |- ! Pos ! Grid ! {{Tooltip|No|Car Number}} ! Driver ! Team ! Manufacturer ! Laps ! Points |- |1 || 1 || 78 || Martin Truex Jr. || Furniture Row Racing || Toyota || 200 || 60 |- |2 || 3 || 42 || Kyle Larson || Chip Ganassi Racing || Chevrolet || 200 || 43 |- |3 || 2 || 18 || Kyle Busch || Joe Gibbs Racing || Toyota || 200 || 51 |- |4 || 11 || 2 || Brad Keselowski || Team Penske || Ford || 200 || 49 |- |5 || 6 || 22 || Joey Logano || Team Penske || Ford || 200 || 45 |- |6 || 25 || 11 || Denny Hamlin || Joe Gibbs Racing || Toyota || 200 || 39 |- |7 || 4 || 20 || Erik Jones || Joe Gibbs Racing || Toyota || 200 || 39 |- |8 || 8 || 12 || Ryan Blaney || Team Penske || Ford || 200 || 29 |- |9 || 33 || 48 || Jimmie Johnson || Hendrick Motorsports || Chevrolet || 200 || 38 |- |10 || 5 || 3 || Austin Dillon || Richard Childress Racing || Chevrolet || 200 || 27 |- |11 || 26 || 14 || Clint Bowyer || Stewart–Haas Racing || Ford || 199 || 30 |- |12 || 27 || 10 || Aric Almirola || Stewart–Haas Racing || Ford || 199 || 25 |- |13 || 28 || 88 || Alex Bowman || Hendrick Motorsports || Chevrolet || 199 || 24 |- |14 || 7 || 41 || Kurt Busch || Stewart–Haas Racing || Ford || 199 || 27 |- |15 || 29 || 24 || William Byron '''(R)''' || Hendrick Motorsports || Chevrolet || 199 || 23 |- |16 || 31 || 9 || Chase Elliott || Hendrick Motorsports || Chevrolet || 199 || 21 |- |17 || 15 || 1 || Jamie McMurray || Chip Ganassi Racing || Chevrolet || 199 || 20 |- |18 || 16 || 17 || Ricky Stenhouse Jr. || Roush Fenway Racing || Ford || 199 || 19 |- |19 || 14 || 21 || Paul Menard || Wood Brothers Racing || Ford || 199 || 18 |- |20 || 19 || 43 || Bubba Wallace '''(R)''' || Richard Petty Motorsports || Chevrolet || 199 || 17 |- |21 || 9 || 31 || Ryan Newman || Richard Childress Racing || Chevrolet || 199 || 16 |- |22 || 32 || 47 || A. J. Allmendinger || JTG Daugherty Racing || Chevrolet || 199 || 15 |- |23 || 30 || 19 || Daniel Suárez || Joe Gibbs Racing || Toyota || 199 || 14 |- |24 || 34 || 95 || Kasey Kahne || Leavine Family Racing || Chevrolet || 199 || 13 |- |25 || 21 || 38 || David Ragan || Front Row Motorsports || Ford || 199 || 12 |- |26 || 22 || 34 || Michael McDowell || Front Row Motorsports || Ford || 199 || 11 |- |27 || 17 || 13 || Ty Dillon || Germain Racing || Chevrolet || 198 || 10 |- |28 || 37 || 72 || Cole Whitt || TriStar Motorsports || Chevrolet || 198 || 9 |- |29 || 36 || 15 || Ross Chastain '''(i)''' || Premium Motorsports || Chevrolet || 198 || 0 |- |30 || 12 || 37 || Chris Buescher || JTG Daugherty Racing || Chevrolet || 197 || 7 |- |31 || 18 || 32 || Matt DiBenedetto || Go Fas Racing || Ford || 196 || 6 |- |32 || 20 || 23 || Gray Gaulding || BK Racing || Toyota || 194 || 5 |- |33 || 35 || 51 || Timmy Hill '''(i)''' || Rick Ware Racing || Toyota || 193 || 0 |- |34 || 24 || 55 || Reed Sorenson || Premium Motorsports || Chevrolet || 193 || 3 |- |35 || 10 || 4 || Kevin Harvick || Stewart–Haas Racing || Ford || 191 || 2 |- |36 || 23 || 00 || Jeffrey Earnhardt || StarCom Racing || Chevrolet || 189 || 1 |- |37 || 13 || 6 || Trevor Bayne || Roush Fenway Racing || Ford || 108 || 1 |- !colspan="8"|[https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf Official race results] |}

===Race statistics=== * Lead changes: 7 among different drivers * Cautions/Laps: 5 for 21 * Red flags: 0 * Time of race: 2 hours, 42 minutes and 41 seconds * Average speed: {{convert|147.526|mph|km/h}}

==Media==

===Television=== The race was the 18th race Fox Sports covered at the Auto Club Speedway. Mike Joy, three-time Auto Club winner Jeff Gordon and Darrell Waltrip had call in the booth for the race. Jamie Little, Vince Welch and Matt Yocum handled the pit road duties for the television side.

{| class="wikitable" style="font-size: 95%" |- !colspan="2"|Fox |- !Booth announcers!!Pit reporters |- | '''Lap-by-lap:''' Mike Joy<br>'''Color-commentator:''' Jeff Gordon<br>'''Color commentator:''' Darrell Waltrip || Jamie Little<br>Vince Welch<br>Matt Yocum |}

===Radio=== MRN had the radio call for the race which was also simulcasted on Sirius XM NASCAR Radio. Joe Moore, Jeff Striegle and 2001 race winner Rusty Wallace called the race from the booth when the field was racing down the front stretch. Dan Hubbard called race from a billboard outside turn 2 when the field was racing through turns 1 and 2. Kurt Becker called the race from a billboard outside turn 3 when the field was racing through turns 3 and 4. Alex Hayden, Winston Kelley and Steve Post worked pit road for MRN.

{| class="wikitable" style="font-size: 95%" |- !colspan="3"|MRN |- !Booth announcers!!Turn announcers!!Pit reporters |- | '''Lead announcer:''' Joe Moore<br/>'''Announcer:''' Jeff Striegle<br/>'''Announcer:''' Rusty Wallace || '''Turns 1 & 2:''' Dan Hubbard<br/>'''Turns 3 & 4:''' Kurt Becker || Alex Hayden<br/>Winston Kelley<br/>Steve Post |}

==Standings after the race== {{col-begin}} {{col-2}} ;Drivers' Championship standings {| class="wikitable" style="font-size: 95%" |- ! ! Pos ! Driver ! Points |- |align="left"| 10px 2 | style="text-align:center;"| 1 | Martin Truex Jr. | style="text-align:center;"| 216 |- |align="left"| 10px | style="text-align:center;"| 2 | Kyle Busch | style="text-align:center;"| 207 (–9) |- |align="left"| 10px 1 | style="text-align:center;"| 3 | Joey Logano | style="text-align:center;"| 197 (–19) |- |align="left"| 10px 3 | style="text-align:center;"| 4 | Brad Keselowski | style="text-align:center;"| 183 (–33) |- |align="left"| 10px | style="text-align:center;"| 5 | Ryan Blaney | style="text-align:center;"| 181 (–35) |- |align="left"| 10px | style="text-align:center;"| 6 | Denny Hamlin | style="text-align:center;"| 176 (–40) |- |align="left"| 10px 1 | style="text-align:center;"| 7 | Kyle Larson | style="text-align:center;"| 174 (–42) |- |align="left"| 10px 7 | style="text-align:center;"| 8 | Kevin Harvick | style="text-align:center;"| 170 (–46) |- |align="left"| 10px | style="text-align:center;"| 9 | Clint Bowyer | style="text-align:center;"| 155 (–61) |- |align="left"| 10px | style="text-align:center;"| 10 | Aric Almirola | style="text-align:center;"| 148 (–68) |- |align="left"| 10px | style="text-align:center;"| 11 | Kurt Busch | style="text-align:center;"| 144 (–72) |- |align="left"| 10px | style="text-align:center;"| 12 | Austin Dillon | style="text-align:center;"| 141 (–75) |- |align="left"| 10px 2 | style="text-align:center;"| 13 | Erik Jones | style="text-align:center;"| 132 (–84) |- |align="left"| 10px 1 | style="text-align:center;"| 14 | Ryan Newman | style="text-align:center;"| 117 (–99) |- |align="left"| 10px 1 | style="text-align:center;"| 15 | Paul Menard | style="text-align:center;"| 115 (–101) |- |align="left"| 10px 1 | style="text-align:center;"| 16 | Alex Bowman | style="text-align:center;"| 115 (–101) |- class="sortbottom" !colspan="9"|[https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf Official driver's standings] |} {{col-2}}

;Manufacturers' Championship standings {| class="wikitable" style="font-size: 95%" |- ! ! Pos ! Manufacturer ! Points |- |align="left"| 10px | style="text-align:center;"| 1 | Ford | style="text-align:center;"| 178 |- |align="left"| 10px | style="text-align:center;"| 2 | Toyota | style="text-align:center;"| 177 (–1) |- |align="left"| 10px | style="text-align:center;"| 3 | Chevrolet | style="text-align:center;"| 163 (–15) |- class="sortbottom" !colspan="9"|[https://web.archive.org/web/20180320110045/http://www.jayski.com/stats/2018/pdfs/05acs2018racereport.pdf Official manufacturers' standings] |}

*<small>'''Note''': Only the first 16 positions are included for the driver standings.</small> {{col-end}}

==References== {{Reflist|30em}}

{{NASCAR next race | Series = Monster Energy NASCAR Cup Series | Monsteryear = 2018 | Previous_race = 2018 TicketGuardian 500 | Next_race = 2018 STP 500 }}

{{NASCAR on Fox}} {{2018 Monster Energy NASCAR Cup}}

Auto Club 400 Auto Club 400 Auto Club 400 Category:NASCAR races at Auto Club Speedway