The best replacement for a6 is a8.

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★  intel i3
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★  bmw 5
★  e350
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★  lexus gs
★  mercedes e350
★  e class
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★  a6x
  bmw 530
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  volvo s80
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  a7 processor
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  bmw 528i
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  aaaa

Your alternative for a6 is not listed? Suggest!
Speaking about a6, one probably shouldn't forget about 6670.

Other search terms related to a6 and their ratings are:
★★★★★ 6670
★ intel i3
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