It is near impossible to compare GDP against PPP on a macro level and get an accurate reading as @Nilgiri
explained it very thoroughly.
Even though, i am not very good with economic but i like to share my opinion.
So, to the matter in hand, even on a personal level PPP does not do very much when you live in free market capitalist economy.
I mean, think about that, and this is true more or less across the developing nations, ( depending on the stage of development ) When we want to buy special clothing or a watch we barely choose anything local. same goes with electrical home appliances. if we have good enough money most of the time we go with world renowned brands like Apple, Samsung or something like.
And when it comes to buying cars well......this is the obvious one. If you can afford a BMW or Tesla you ain't looking back at anything else.
Only area PPP can be counted for somewhat fairly, when you buy an apartment or a house or rent one and in your daily meals.
Along with these you should also add THE VERY IMPORTANT FACT OF INCOME INEQUALITY which is usually overlooked in these conversation.
I was surprised to find out that, income inequality in Turkey is worse than even Bangladesh. this fact should be worrying considering Turkey is not a third world country and fairly advanced and modern nation.
View attachment 53017
World map of income inequality Gini coefficients by country. Based on World Bank data ranging from 1992 to 2020.
I understand, there are variety of conflicting articles about this topic. However, according to this one
The latest World Inequality Report, released by the World Inequality Lab at the Paris School of Economics, found that the richest 10 percent of the Turkish population captures 54.5 percent of the total income while the bottom 50 percent takes a mere 12 percent.
Turkey's bottom 50% poor class possesses 4% of the total national wealth. On the other hand, the 40% middle class owns 29% of the total national wealth, whereas the 10% rich owns 67% of the national wealth.
So, even if this data is no 90% accurate ( and probably it is not ) still, i think that may help to explain, why average people in Turkey cannot afford what it seems they should afford, at the first glance at GDP figures.