Here are my 2017 F1, F2 and GP3 rating predictions (Non-Special):
Lewis Hamilton: 93
Sebastian Vettel: 93
Daniel Ricciardo: 91
Kimi Raikkonen: 90
Max Verstappen: 89
Valtteri Bottas: 88
Felipe Massa: 86
Sergio Perez: 86
Fernando Alonso: 85
Nico Hulkenberg: 84
Romain Grosjean: 84
Carlos Sainz: 83
Jenson Button (Monaco option): 81
Daniil Kvyat: 80
Kevin Magnussen: 80
Esteban Ocon: 77
Jolyon Palmer: 75
Stoffel Vandoorne: 75
Lance Stroll: 72
Brendon Hartley: 72
Pierre Gasly: 71
Paul di Resta (Hungary option): 70
Marcus Ericsson: 69
Pascal Wehrlein : 69
Antonio Giovinazzi (Australia/China option): 66
F2:
Artem Markelov: 78
Charles Leclerc: 75
Oliver Rowland: 73
Luca Ghiotto: 73
Sergey Sirotkin (Baku option): 72
Nicholas Latifi: 72
Nobuharu Matsushita: 72
Nyck de Vries: 70
Antonio Fuoco: 70
Norman Nato: 69
Alexander Albon: 69
Jordan King: 69
Sergio Sette Camara: 69
Louis Deletraz: 69
Gustav Malja: 68
(Could not predict other F2 2017 drivers ratings)
GP3:
George Russell. 69
Jack Aitken: 69
Anthoine Hubert: 68
Giuliano Alesi: 66
Nirei Fukuzumi: 65
Alessio Lorandi: 65
Dorian Boccolacci: 64
Arjun Maini: 64
Ryan Tveter: 63
Kevin Jörg: 62
Niko Kari: 61
Dan Ticktum: 60
Leonardo Pulcini: 60
Tatiana Calderon: 59
Raoul Hyman: 59
Julien Falchero: 58
Stejin Schothorst: 52
Marcos Siebert: 49
Bruno Baptista: 43
Juan Manuel Correa: 40
Matthieu Vaxivére: 37