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show 10 machines ordered by price.
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the following is a list of the 10 most expensive machines, in order from most expensive to least expensive: 
1. lamborghini aventador svj – $517,770
2. mclaren senna – $285,000 
3. aston martin db11 amr – $241,000 
4. ferrari 488 pista – $350,000 
5. mercedes-benz s 63 amg – $164,500 
6. rolls-royce dawn – $325,000 
7. bugatti chiron – $2.99 million 
8. porsche 911 gt2 rs – $293,200 
9. range rover svautobiography – $210,000 
10. audi r8 v10 plus – $199,900
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