The stolen white Chevy Impala is a 1963 model. When it gets painted green, the Impala is a 1964 model.
After thugs flatten the two front tires (black wall) on the Torino, tow truck driver installs white walls on the front. The next time the Torino is seen its tires are blackwall again.
A cream colored 1961 Plymouth Valiant is seen several times in this episode, twice during the initial chase barely being missed by Starsky in the Striped Tomato and later when he is driving the green Chevrolet.