Cast Metal and Plastic 1:24 collectible cars

Can anyone give me an idea of the value of this collection  I have the following cast metal cars 1:24 ratio:

4-styles of the John Force Castrol GTX cars, two of them with Elvis Presley depicted on

        the hood and one of the pieces as see through plastic

1-John Force Castrol Syntec car

1-Whit Bazemore Mobil 1 car

1-Tony Stewart #20 Home Depot car (missing the hood)

1-Gary Stuhler #90 car (autographed by Gary Stuhler)

1-Don Prudhomme Funny car

1-Ford 1953 F100 Citgo tow truck

Fair