Postgresql complex insert into attempt

gistfile1.sql

WITH old_models AS(
    SELECT car.id,car.code, cc.color_id 
    FROM car inner join car_color cc ON car.id=cc.car_id
    ),new_models AS(
    SELECT car.id 
    FROM car left outer join car_color cc ON car.id=cc.car_id WHERE cc.id IS NULL
    )
INSERT INTO car_color(id,car_id,color_id)
  VALUES(nextval('id_sequence'),SELECT car_id FROM new_models, SELECT color_id FROM old_models);