Suggestions by @batmack

Vin Diesel

as Dominic's Dodge Charger in Movie and TV Vehicles as Transformers

Score: +2

Charlize Theron

as The War Rig in Movie and TV Vehicles as Transformers

Score: +1

Tom Hardy

as Interceptor in Movie and TV Vehicles as Transformers

Score: +2

Mel Gibson

as Interceptor in Movie and TV Vehicles as Transformers

Score: +1

Willem Dafoe

as Green Goblin Face Truck in Movie and TV Vehicles as Transformers

Score: +1

Ben Stiller

as Grand Turino in Movie and TV Vehicles as Transformers

Score: +1

Mr. T

as Vandura in Movie and TV Vehicles as Transformers

Score: +1

Frank Welker

as The Mystery Machine in Movie and TV Vehicles as Transformers

Score: +1

Chris Evans

as Cap's Bike in Movie and TV Vehicles as Transformers

Score: +1

Michael J. Fox

as The Delorean in Movie and TV Vehicles as Transformers

Score: +2

Dan Aykroyd

as Ecto-1 in Movie and TV Vehicles as Transformers

Score: +1

Michael Keaton

as The BatMobile '89 in Movie and TV Vehicles as Transformers

Score: +1

Christian Bale

as The Tumbler in Movie and TV Vehicles as Transformers

Score: +2