It talks of the huge and ever growing gap between the ultra-rich and the multitude of minute common mortals at their feet. The anachronism between the depiction of a vintage early day stretch limousine and the windowed detail of a modern one's front light to the top right of the painting suggest the change from aristrocacy to nowadays power structures.
I found this car parked in a side street in West Norwood, London, and was charmed by it's escort of nicely aligned orange cones.
Having just browsed through a vintage designer labels shop where I refrained (with great self control- but not without much temptation) from buying a Vivienne Westwood yellow skirt, I then proceeded to go and sketch amongst the car remains and carcasses in the huge scrap yard nearby.