For the 1990 season, 4 years after Senna's veto, Warwick finally drove for Lotus who in 1990 would be using the Lamborghini V12 engine. But the glory days of that team were over and the Lamborghini 3512 proved unreliable and Warwick ended the season with a meagre 3 points tally. His greatest achievement of the season happened at the 1990 Spanish Grand Prix where his teammate Martin Donnelly suffered a severe crash leaving Warwick to help morale at the team by qualifying in the top 10 only for the gearbox to fail 10 laps from the end. Following a 3-year sabbatical, Warwick returned to Formula One in 1993 to drive for Footwork, but managed to score only 4 points. He ended his career with a total of 71 Grand Prix points.