[6] On 1 August the colt was stepped up in class for the Group 2 Vintage Stakes over seven furlongs at Goodwood Racecourse in which he was ridden by Andrea Atzeni and was made the 7/4 ahead of nine opponents.

After racing in mid-division, Expert Eye took the lead approaching the last quarter mile and drew away to win in "impressive" style by four and a half lengths from Zaman.

Expert Eye was made the ante-post favourite for the 2018 2000 Guineas but missed a scheduled appearance in the National Stakes after he was found to have contracted a minor respiratory infection.

Expert Eye began his second campaign in the Greenham Stakes (a major trial race for the 2000 Guineas) run over seven furlongs at Newbury on 21 April.

At Royal Ascot in June the colt was dropped back in class and distance for the Group 3 Jersey Stakes over seven furlongs in which he was ridden by James McDonald and started at 8/1.

After being restrained towards the rear of the 21-runner field he began to make progress in the last quarter mile took the lead inside the final furlong and accelerated away from his rivals to win by four and a half lengths from Society Power.

[9] McDonald commented that the winner "felt like a rocket ship" while Michael Stoute said "He was such a good two-year-old and then things went wrong in the Dewhurst.

Starting the even money favourite he took the lead approaching the final furlong and won by one and a quarter lengths from the ten-year-old Gordon Lord Byron.

[12] On 9 September at Longchamp Racecourse Expert Eye was made the 5.3/1 third choice in the betting for the Group 1 Prix du Moulin over 1600 metres.

[14] Six days after his Breeders’ Cup victory it was announced that Expert Eye had been retired from racing and would begin his career as a breeding stallion at the Banstead Manor Stud in 2019 at a fee of £20,000.