Listen to this article Largest-ever grid since revival Ever since Mercedes, Audi and BMW downscaled to six cars each in 2017, the DTM had been struggling to attract more than 20 entries for a full season. The switch to more widely-available and affordable GT3 machinery in 2021 didn’t immediately bring a reversal in this trend either, with only 19 cars signing up for the year. This was a far cry from the kind of bumper grids seen in other GT3-based categories, including DTM’s direct rivals in Germany and Europe. However, GT teams and manufacturers were left impressed by what they saw last year and have flocked to the series in large numbers this year. As a result, 29 cars will assemble at Portimao for the opening round of the season, representing the largest grid seen in the DTM since the championship’s revival in 2000. Audi, BMW and Mercedes are all back in …