A handful of drivers have had their 2017 ratings re-instated, including Australians Alex Davison, David Russell and Liam Talbolt, as well as former European Le Mans Series LMP3 champion Charlie Robertson.
Both Bill Auberlen and Emmanuel Collard, meanwhile, have been downgraded to Gold status due to their age, with John Edwards moving to Platinum.
No other significant changes have been made since the initial release.
The 2018 list is now understood to be final, with no other changes expected prior to the start of next year.
Bill Auberlen – Platinum to Gold
Emmanuel Collard – Platinum to Gold
Alex Davison – Gold to Silver
John Edwards – Gold to Platinum
Charlie Robertson – Gold to Silver
David Russell – Gold to Silver
Liam Talbolt – Silver to Bronze