Cost of living in Petrolina (Brazil) is 18% more expensive than in Zapopan (Mexico)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 436 prices entered by 28 different people.
For example, you would need at least Mex$ 68,287 (R$ 12,793) in Petrolina to maintain the same standard of living that you can have with Mex$ 58,000 in Zapopan.