* Rolls-Royce
* Bentley
* Mercedes-Benz (specifically their S-Class, Maybach, and G-Wagon models are often considered top-tier luxury)
* BMW (specifically their 7 Series and i7)
* Audi (specifically their A8)
* Lexus
* Porsche
* Range Rover
The specific "best" luxury car depends on individual preferences and needs.