The 1985 Detroit Grand Prix was a Formula One motor race held on June 23, 1985, in Detroit, Michigan. It was the sixth round of the 1985 FIA Formula One World Championship and the fourth Detroit Grand Prix. The race was held over 63 laps of the four kilometre circuit for a total race distance of 260 kilometres. Round 6 of 16 · 1985 Formula One World Championship June 23, 1985 Podium: 1. Keke Rosberg · 2. Stefan Johansson · 3. Michele Alboreto Wiki link