My only experience was a friend who owned an RX7 - incredibly fuel inefficient, burned a pint of oil every second tank, had to spend a few thousand on repairs when it had around 60k km on it.
Has Mazda improved their design or manufacturing in the last 20 years? Probably. Would I trust it even if someone gifted it to me? Not a chance.
Has Mazda improved their design or manufacturing in the last 20 years? Probably. Would I trust it even if someone gifted it to me? Not a chance.