The Family travel through the desert of Abu Dhabi before finally parking their cars outside Etihad Towers. Brian is driving a McLaren MP4-12C Spider. It is the only time the McLaren was shown on screen, and it wasn't seen again for the entire franchise.
Screenshots
The McLaren arriving in Dubai
The fast family driving through the desert on their way to Dubai
Caleb and Cody walker standing in front of the 12C