http://www.imcdb.org/movie_57773-The-Munsters.html
http://www.imdb.com/title/tt0057773/
This takes care of the second and final season of the show (1965-66). You'll note quite a few cars pop up over and over again in the background and even in two star roles.
2.3
Ford F-100, one star
1962? Chevrolet C-10, one star
1960 Ford Country Squire, one star
2.4
1960 Ford (Fairlane?), two stars
2.5
1965 Dodge Dart convertible, one star
1965 Plymouth Valiant Signet, one star
1965 Ford Mustang, two stars
2.6
unknown, one star
unknown, one star
2.7
Ford Falcon, two stars
2.10
1965 Ford Falcon (Sprint?) convertible, one star
2.11
1958 Ford C Series?, one star
1955? Ford Sunliner, one star
1959 Ford (Fairlane 500?), one star
1961 Ford Country Sedan, one star
1965 Dodge Dart, two stars
Dodge? truck, one star
2.13
unknown truck, two stars
1965 Dodge Dart, one star
1965 Plymouth Fury (four door this time), one star
1965 Ford Falcon Squire, one star
White? 3000? two stars
1965 Plymouth Satellite, two stars
2.23
1966 Dodge Polara, three stars
unknown, two stars (Plymouth Valiant?)
Episode 2.28 ("Herman the Tire Kicker") is once again about a used car lot. Every single car on that lot manages to get at least two stars.
1954 Plymouth (Cranbrook?), two stars
Nash?, two stars
Volkswagen, two stars
1951 Chevrolet Bel Air, four stars
1955 Chrysler Windsor, two stars
1965 Dodge Coronet, two stars
Plymouth Valiant Signet, one star
1955 Dodge pickup, two stars
2.29
1966 Plymouth Fury sedan, two stars
1957? Ford F-Series, two stars
1966 Plymouth Fury III convertible, two stars
...possibly the same as this one from ep. 2.30:
2.31
Triumph Spitfire 4/Mk.I or II, two stars
unknown forklift, one star
unknown forklift #2, one star