Xfinity
Auto Club Speedway
Track Information
| Location | Grandstand Capacity | Type | Shape | Distance |
| Fontana, California | 92,000 | Speedway | D-Shaped oval | 2.0 miles |
Track Results
| Year | Date | Event Name | Pole | Winner | Car |
| 2023 | 2/26/23 | Production Alliance Group 300 | Austin Hill | John Hunter Nemechek | Toyota |
| 2022 | 2/26/22 | Production Alliance 300 | AJ Allmendinger | Cole Custer | Ford |
| 2020 | 2/29/20 | Production Alliance Group 300 | Brandon Jones | Harrison Burton | Toyota |
| 2019 | 3/16/19 | Production Alliance Group 300 | Tyler Reddick | Cole Custer | Ford |
| 2018 | 3/17/18 | Roseanne 300 | Christopher Bell | Joey Logano | Ford |
| 2017 | 3/25/17 | Service King 300 | Joey Logano | Kyle Larson | Chev |
| 2016 | 3/19/16 | Fontana 300 | Daniel Suarez | Austin Dillon | Chev |
| 2015 | 3/21/15 | Drive4Clots.com 300 | Erik Jones | Kevin Harvick | Chev |
| 2014 | 3/22/14 | Treatmyclot.com 300 | Elliott Sadler | Kyle Larson | Chev |
| 2013 | 3/23/13 | Royal Purple 300 | Kyle Busch | Kyle Busch | Toyota |
| 2012 | 3/24/12 | Royal Purple 300 | Joey Logano | Joey Logano | Toyota |
| 2011 | 3/26/11 | Royal Purple 300 | Carl Edwards | Kyle Busch | Toyota |
| 2010 | 10/9/10 | CampingWorld.com 300 | Kyle Busch | Kyle Busch | Toyota |
| 2010 | 2/20/10 | Stater Bros. 300 | Joey Logano | Kyle Busch | Toyota |
| 2009 | 10/10/09 | Copart 300 | Joey Logano | Joey Logano | Toyota |
| 2009 | 2/21/09 | Stater Bros. 300 | Carl Edwards | Kyle Busch | Toyota |
| 2008 | 8/30/08 | Camping World 300 presented by Coleman | Kyle Busch | Kyle Busch | Toyota |
| 2008 | 2/25/08 | Stater Bros. 300 | Jeff Burton | Tony Stewart | Toyota |
| 2007 | 9/1/07 | Camping World 300 Presented by RVs.com | Denny Hamlin | Jeff Burton | Chev |
| 2007 | 2/24/07 | Stater Bros. 300 | Dave Blaney | Matt Kenseth | Ford |
| 2006 | 9/2/06 | Ameriquest 300 | Clint Bowyer | Kasey Kahne | Dodge |
| 2006 | 2/25/06 | Stater Brothers 300 | Carl Edwards | Greg Biffle | Ford |
| 2005 | 9/3/05 | Ameriquest 300 | Clint Bowyer | Carl Edwards | Ford |
| 2005 | 2/26/05 | Stater Brothers 300 | Tony Stewart | Mark Martin | Ford |
| 2004 | 9/4/04 | Target House 300 | Casey Mears | Greg Biffle | Ford |
| 2004 | 5/1/04 | Stater Brothers 300 Presented by Gatorade | Jason Leffler | Greg Biffle | Ford |
| 2003 | 4/26/03 | 1-800-Pitshop.com 300 | Kevin Harvick | Matt Kenseth | Ford |
| 2002 | 4/27/02 | Auto Club 300 | Jack Sprague | Scott Riggs | Ford |
| 2001 | 4/28/01 | Auto Club 300 | Bobby Hamilton Jr. | Hank Parker Jr. | Chev |
| 2000 | 4/29/00 | Auto Club 300 | Jeff Green | Matt Kenseth | Chev |
| 1999 | 5/1/99 | Auto Club 300 | Dale Earnhardt Jr. | Matt Kenseth | Chev |
| 1998 | 7/19/98 | Kenwood Home & Car Audio 300 | Robert Pressley | Dale Earnhardt Jr. | Chev |
| 1997 | 10/19/97 | Kenwood Home & Car Audio 300 | Steve Park | Todd Bodine | Pontiac |
* indicates exhibition event