Aviance's dam Minnie Hauk was a daughter of the influential broodmare Best In Show, whose other descendants included El Gran Senor, Try My Best, Xaar, Jazil, Rags to Riches and Redoute's Choice.
Ridden by Declan Gillespie she started the 7/4 second favourite behind the Vincent O'Brien-trained colt Magic Mirror, who had won the Norfolk Stakes at Royal Ascot in June.
Aviance was among the leaders from the start, went clear of her rivals approaching the last quarter mile and won by three lengths from Well Related, with La Escala and Magic Mirror in third and fourth.
Ridden by Christy Roche she started at odds of 9/1 in a seventeen-runner field and finished well to take sixth place, three lengths behind the winner Oh So Sharp.
[2] After the July Cup Aviance was formally transferred to the ownership of the Greek shipping magnate Stavros Niarchos, whose colours she carried in the five furlong William Hill Sprint Championship at York Racecourse.
Ridden by Roche and starting at odds of 10/1 she was in contention in the first half of the race but faded in the last quarter mile to finish seventh behind Never So Bold.