This is what the release notes say of the retro content:
All players receive Michael’s Ferrari F2004 as part of the F1 2020 classic car line-up. The car is updated to include #1 on the nosecone and his name embossed on the headrest. Alongside the Schumacher content, Deluxe players also receive an exclusive set of in-game items celebrating the Seventieth Anniversary of Formula 1
Players are now able to drive four of his most iconic vehicles from the 90s and 2000s.
- 1991: Jordan 191
- 1994: Benetton B194
- 1995: Benetton B195
- 2000: Ferrari F1-2000