[1] JAS Motorsport and Honda Racing retained their 2020 drivers – Attila Tassi, Tiago Monteiro, Néstor Girolami and Esteban Guerrieri – for the 2021 season.
Target Competition joined full-time from the TCR Europe with Swedish siblings Andreas and Jessica Bäckman, who became the first woman to race in the championship.
2017 TCR Italy Touring Car Championship winner Nicola Baldan is also set to participate at selected rounds as a guest driver.
[2][8][14] The Zengő Motorsport structure continued at the WTCR and expanded to four Cupra León Competición TCR cars, running under two distinct banners.
Bence Boldizs and Mikel Azcona remained with the team, with series returnees Jordi Gené, who had last taken part in the series in 2010, when it was called the World Touring Car Championship, and 2012 World Touring Car Championship & 2020 STCC TCR Scandinavia Touring Car Championship winner Robert Huff, who came back after a year's absence, joining them at Zengő Motorsport Drivers’ Academy and Zengő Motorsport Services KFT respectively.