Formula Nordic race-winner Enzo Hallman completes Douglas Motorsport’s GB4 line-up Formula Nordic race-winner Enzo Hallman completes Douglas Motorsport’s GB4 line-up Bas Kaligis / Monday, March 31, 2025 0 44 Article rating: No rating Swedish contender Enzo Hallman will make the step up to GB4 in 2025, completing Douglas Motorsport’s three-car line-up for the new campaign. The 17-year-old from Jönköping enters GB4 off the back of a successful 2024 season, in which he was a front-runner in both single-seaters and junior touring cars. Read more