Cost of living in Durban (South Africa) is 28% 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 750 prices entered by 80 different people.
For example, you would need at least Mex$ 66,406 (R 46,776) in Durban to maintain the same standard of living that you can have with Mex$ 52,000 in Zapopan.