page_title: Roberto Guerrero
section_title: Formula One
hierarchical_section_title: Roberto Guerrero / Open wheel racing / Formula car racing / Formula One
caption_attribution_description: English: Roberto Guerrero Theodore N183 2019 Silverstone Classic.
context_page_description: Roberto José Guerrero Isaza is a Colombian-American former racing driver. He participated in 29 Formula One Grands Prix, debuting on 23 January 1982, becoming the first Colombian to start a Formula One Grand Prix.
  With no championship points in Formula One and no prospects to drive for a competitive team, Guerrero left at the end of the 1983 season to race in the United States. He had an auspicious beginning to his Indycar racing career, winning both CART and Indianapolis 500 rookie of the year honors in 1984. His initial promise was never completely fulfilled, winning only two CART races, both in 1987. Later the same year he had a massive accident which left him in a coma for 17 days.
  Of special note were Guerrero's participations in the Indianapolis 500. He came very close to winning outright on two occasions, but bad luck always kept the victory out of his grasp. In 1992 he spun off on the pace lap after having qualified on the pole position. Guerrero finished runner up twice, in the top-five five times, and held the qualifying speed record from 1992 through 1996. Guerrero was also selected to participate in the 1988 International Race of Champions.
context_section_description: Guerrero began competing in Formula One in 1982 for Ensign Racing, beginning the season in a No. 14 Café de Colombia/Moda Caribu Ensign N180B-Ford Cosworth DFV at the season-opening South African Grand Prix. He failed to qualify for the event due to Guerrero's Formula Two team Maurer Motorsport and its boss Willy Maurer filing an injunction to Ensign team boss Morris Nunn and as a result Guerrero was withdrawn from the race. An official press report from Nunn stated that Guerrero was "in an inappropriate physical and mental condition to drive." Guerrero returned for the following race, the Brazilian Grand Prix, in a new Ensign N181. He again failed to qualify for the race. Guerrero qualified for the third race of the season, the United States Grand Prix West, starting 19th and finished 15th after crashing 27 laps into the race. Ensign skipped the San Marino Grand Prix due to the FISA–FOCA war and Guerrero then failed to qualify for the Belgian Grand Prix. At the Monaco Grand Prix Ensign's tire supplier Avon withdrew from Formula One and that left the team tireless. The team got some older tires to use for the race, but Guerrero failed to qualify. Michelin started supplying tires to the team after Monaco and Guerrero qualified for Michelin's first race for the team, the Detroit Grand Prix, starting in a respectable 11th place. In the race Guerrero was involved in a crash 6 laps into the race and was credited with a 19th-place finish. After that, Guerrero then only failed to qualify at the Dutch Grand Prix and the French Grand Prix. Guerrero scored his best finish of 1982 (and his entire Formula One career) at the German Grand Prix with an 8th-place finish. At the season-ending Caesars Palace Grand Prix Guerrero qualified in 15th place. The car's engine then blew in the warm up and Guerrero missed the race. Guerrero was unranked in the championship standings due to the fact that he had scored no points.
  In 1983 Ensign Racing merged with Theodore Racing and as a result Guerrero began driving the No. 33 Café de Colombia Theodore N183-Ford Cosworth DFV. Guerrero only failed to qualify at the Monaco Grand Prix and became more consistent in finishing races. Despite this Guerrero's best finishes were a pair of 12th-place finishes at the Dutch Grand Prix and the European Grand Prix. At the end of the season Guerrero again failed to score points and was as a result unranked in the championship while rookie teammate Johnny Cecotto managed to get a 6th-place finish and with it 1 point towards the championship for himself and Theodore (although Cecotto failed to qualify four times to Guerrero's single time).
caption: Roberto Guerrero's Theodore N183.
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