Cost of living in Ribeirão Preto (Brazil) is 17% more expensive than in Zapopan (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 477 prices entered by 45 different people.
For example, you would need at least Mex$ 61,882 (R$ 12,921) in Ribeirão Preto to maintain the same standard of living that you can have with Mex$ 53,000 in Zapopan.