<human>:  What are the top 10 most expensive cars?
<bot>: 
1. Bugatti Chiron – $2.
2. Rolls-Royce Sweptail – $12.
3. Bugatti Divo – $5.
4. Mercedes-Maybach Exelero – $8 million5 Koenigsegg CCXR Trevita – $4.
6. Lamborghini Veneno – $4.
7. Lykan Hypersport – $3.
8. McLaren P1 LM – $3.