The 2018 Codasur South American Rally Championship is an international rally championship sanctioned by the FIA and run by the Confederacion Deportiva Automovilismo Sudamericana (Codasur). The championship was contested over five events held in five different countries across South America, running from March to November.
The championship was won for the sixth time by Paraguayan Skoda driver Gustavo Saba. Saba was second at the opening event in Paraguay before winning rallies in Argentina, Brazil and Bolivia, wrapping up the championship early. In Saba's absence Toyota driver Alejandro Galanti won the final event in Uruguay and was second in the championship. The only driver to beat Saba in 2018, Hyundai driver Diego Domínguez at the opening round in Paraguay, was third overall.
The 2018 Codasur South American Rally Championship was as follows:[1]
| Round | Rally name | Podium finishers | Statistics | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rank | Driver | Car | Time | Stages | Length | Starters | Finishers | ||||
| 1 | Rally Trans Itapua (15–18 March)[2] | 1 | Diego Dominguez | Hyundai i20 R5 | 1:23:37.6 | 13 | 152.72 km | 72 | 35 | ||
| 2 | Gustavo Saba | Škoda Fabia R5 | 1:24:55.8 | ||||||||
| 3 | Miguel Zaldivar Jr. | Škoda Fabia R5 | 1:26:21.7 | ||||||||
| 2 |  Rally Argentina(26–28 April)[3] | 1 | Gustavo Saba | Škoda Fabia R5 | 1:45:30.2 | 9 | 122.48 km | 19 | 12 | ||
| 2 | Alejandro Cancio | Škoda Fabia R5 | 1:45:31.6 | ||||||||
| 3 | Diego Dominguez | Hyundai i20 R5 | 1:46:27.1 | ||||||||
| 3 |  Rally de Erechim(24–27 May)[4] | 1 | Gustavo Saba | Škoda Fabia R5 | 1:43:01.5 | 13 | 164.54 km | 56 | 28 | ||
| 2 | Miguel Zaldivar Jr. | Škoda Fabia R5 | 1:45:45.3 | ||||||||
| 3 | Alejandro Galanti | Toyota Etios R5 | 1:46:27.5 | ||||||||
| 4 |  Rally de Santa Cruz(23–26 August)[5] | 1 | Gustavo Saba | Škoda Fabia R5 | 1:27:13.5 | 14 | 152.66 km | 47 | 24 | ||
| 2 | Marco Bulacia Wilkinson | Ford Fiesta R5 | 1:27:26.7 | ||||||||
| 3 | Augusto D'Agostini | Volkswagen Gol Trend MR | 1:31:14.4 | ||||||||
| 5 | Rally del Atlántico (22–25 November)[6] | 1 | Alejandro Galanti | Toyota Etios R5 | 1:49:34.9 | 9 | 190.10 km | 35 | 17 | ||
| 2 | Guzman Rivero | Mitsubishi Lancer Evolution X | 1:50:40.6 | ||||||||
| 3 | Augusto D'Agostini | Volkswagen Gol Trend MR | 1:55:05.9 | ||||||||
The 2018 Codasur South American Rally Championship points were as follows:[7]
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