The 2018 Rally Argentina (formally known as the YPF Rally Argentina 2018) was a motor racing event for rally cars that was held over four days between 26 and 29 April 2018. It marked the thirty-eighth running of Rally Argentina, and was the fifth round of the 2018 World Rally Championship and its support categories, the WRC-2 and WRC-3 championships. The event was based in Villa Carlos Paz in Córdoba Province and consisted of eighteen special stages totalling competitive kilometres. Thierry Neuville and Nicolas Gilsoul were the defending rally winners. Ott Tänak and Martin Järveoja won the rally. Their team, Toyota Gazoo Racing WRT, were the manufacturers' winners, while the Škoda Motorsport crew of Pontus Tidemand and Jonas Andersson won the World Rally Championship-2 category in a Škoda Fabia R5. Background Championship standings prior to the event Sébastien Ogier and Julien Ingrassia entered the round with a seventeen-point lead in the World Championships for Drivers and Co-drivers. In the World Championship for Manufacturers, Hyundai Shell Mobis WRT held a four-point lead over M-Sport Ford WRT. Entry list The following crews were entered into the rally. The event was open to crews competing in the World Rally Championship, World Rally Championship-2, and the World Rally Championship-3. The final entry list consisted of twelve World Rally Car entries and ten crews entered in the World Rally Championship-2. There were no entries for the World Rally Championship-3. Report Pre-event Citroën expanded its operations to include a third entry. Craig Breen and Scott Martin returned to drive one car, having given up their seats in Mexico and Corsica to make way for Sébastien Loeb and Daniel Elena. Khalid Al-Qassimi and Chris Patterson are making their first appearance of the season, driving Citroën's third car. Teemu Suninen and Mikko Markkula returned to drive M-Sport Ford's third entry. Suninen and Markkula had been replaced by tarmac specialists Bryan Bouffier and Xavier Panseri in Tour de Corse. Daniel Barritt also returned as Elfyn Evans' co-driver after being forced to miss the Tour de Corse to recover from a concussion sustained in an accident in Rally Mexico. Thursday Defending rally winner Thierry Neuville edged Ott Tänak's Toyota Yaris by 0.3 second over the mixed surface roads in the town centre. Championship leader Sébastien Ogier was a further 0.1 second back in third in a Fiesta. Andreas Mikkelsen was half a second off the pace, despite twice understeering through