Smiley has been part of the Excelr8 line-up since the Suffolk squad’s switch to the Hyundai i30 N in 2020, and had been in contention to remain part of its four-car line-up this year.
Butel scored three points finishes with Excelr8 in his BTCC sophomore season in 2021, and the 25-year-old Jerseyman has completed a late deal to stay on at the team, alongside Tom Ingram, Tom Chilton and Dan Lloyd.
