João Barbosa, Christian Fittipaldi has won the most IMSA drivers’ titles, with 2.
Based on IMSA champions 2014–2025.
Endurance & GT
Who has won the most IMSA championships?
João Barbosa, Christian Fittipaldi holds the record with 2 IMSA titles.
Sources
- Paddock curated championship records
- Wikipedia — IMSA champions
- IMSA official site