That's just another side-effect of the rambling, unstructured prose of someone who is barely literate. Picture 6 is the daughter driving her car but as I said, all the stuff about the daughter's car with its Xflow engine is entirely irrelevant. The car for sale is the "co-director's" car whose pre-Xflow engine is presumably the one pictured.

I find the advert fascinating, it's like a coding puzzle smile