Turner's committing serious resources to GS class competition in 2025, adding defending champion Mars to a roster that already includes three other title-winning drivers. The M440i xDrive is getting the full factory treatment—this isn't a customer car situation. If you're watching Pilot Challenge, Turner's essentially running a four-headed monster.

Turner's assembling a serious four-champion driver roster for the 2026 IMSA Michelin Pilot Challenge GS class, with 19-year-old Luca Mars arriving after winning last year's title with RS1. Mars collected three wins in his championship season—the kind of young talent that actually moves the needle in single-make racing. This is the pipeline where careers either accelerate or stall.