2021 AMRA Emperador Racing Championships

Exits

 * Chip Ganassi Racing shut it's ERC opeations after Three seasons, merging by DMR-Gray.
 * Gene Nead sold his team to Van Amersfoort Racing, and will switch to ECR engines.
 * Gumatas Racing and Marinerong Pilipino Motorsports will merge into Marinerong Gumatas Racing with Jin Macapangal retains his #5 ride.
 * As the compensation of Brandon Jones' Darlington win, Joe Gibbs Racing enters ERC with Robert Huffman, Jeff Burton and Cale Yarborough as partial owners with Teo Martín Motorsport being the satellite team, JGR fielded #37 (Huffman's car Numbber) and #91 (Jones' Car Number backwards) while #8 (Jones' starting Number before his win) and #16 (Ari Agam's article about the curse) for TMM.

Teams and drivers

 * Emily Osment leaving Hannah Jones Racing after her rookie season, and joined Alab Racing's #19 after Kelli Berglund is move to #17.
 * Slavko Kalezic will be retired after the 2020 season, he spend Three seasons with Chip Ganassi Racing.
 * Emily Ratajkowski leaving Marinerong Pilipino Motorsports after Three seasons and move to Eddie Buffington Racing's #6 after Ryle Tan who is moving to Stupidisco Racing's #25.
 * Yamyam Gucong leaving Gumatas Racing and joins GBA Racing's #26, he will be joining rookie Jenna Ezarik.
 * Jordi Pedra leaving Chip Ganassi Racing and moves to Stupidisco Racing's #42 alongside Tan.
 * San Beda Racing Toyota's Erin Robertson and Timothee Chalamet swap car numbers with Robertson moving to the #13 and Chalamet in the #31.
 * Victoria Henley is leaving Alab Racing after a season, to join Hannah Jones Racing's #22 with Petrol Jeans sponsored as well, she will joined by Felix Sandman who leaving Sinclair Motorsports, after 2020, to drive #77 Chevrolet
 * Aino Huilaja will be retired after the 2020 season, she spend One season with Hannah Jones Racing.
 * Tina Perez Racing will continue race the #27 Chevrolet with Ben Barnicoat running on Road courses and Ryan Unzicker runs on ovals, the engines are provided from Hendrick Engines.

Manufacturers

 * Sinclair Motorsports will switch from Toyota to Chevrolet with engines provided by Earnhardt-Childress Racing Engine.
 * Eddie Buffington Racing also switch from Chevrolet to Toyota, ended the Eight year relationship with the team.
 * Marinerong Gumatas Racing also switch from Ford to Chevrolet after a season with the manufacturers

Schedules
Bold indicates Emperador Grand Slam