Nigel Mansell's victory at Monza cut Ayrton Senna's 1991 Drivers' Championship lead to 18 points with four races left.
Key Facts
- Race distance
- 53 laps
- Winner
- Nigel Mansell (Williams-Renault)
- Pole position
- Ayrton Senna (McLaren-Honda)
- Championship round
- 12th of the 1991 season
- Senna's lead after race
- 18 points
- Mansell wins in 1991
- 4
By the Numbers
Location
Cause → Event → Consequence
Heading into the twelfth round of the 1991 Formula One World Championship, Ayrton Senna held a commanding lead in the Drivers' standings. Nigel Mansell, starting from second on the grid, needed a strong result to keep his title hopes alive against the pole-sitting McLaren-Honda of Senna.
On 8 September 1991, the 53-lap Italian Grand Prix was held at Monza. Mansell drove his Williams-Renault to victory, crossing the line ahead of Senna in second and Alain Prost third in a Ferrari, delivering a competitive podium finish across three of the era's leading teams.
Mansell's win, his fourth of the season, reduced Senna's Drivers' Championship lead from a larger margin to just 18 points with four races remaining, reopening the title contest and maintaining pressure on Senna heading into the final phase of the 1991 season.