Differences between First Generation Mustangs (’64 1/2 – ’68)

To an untrained eye, classic Ford Mustangs from the mid to late 1960s may not appear to have many differences distinguishing them from one another. Upon closer inspection, there are a few factors that make it easy to quickly identify the model year.

Ford Mustang History

The very fist production mustang was officially called a 1964 1/2, because it was produced halfway through the production year. You can tell a 1964 mustang from the 1965 mustang because of some small differences;

Differences between ’64 1/2 and ’65:

  1. The headlight extensions on a 1964 1/2 had a beveled edge, which was eliminated for the 1965 year.

  2. The lettering on the hood that says “MUSTANG” was a little shorter, 4 3/8″ instead of 5″ on the ’65’s.

The difference between a ’65 and a ’66 is a little easier to distinguish.

  1. The grille on a ’65 will have vertical bars, and the ’66 grille will not have them (except GTs).

  2. The side scoops on the ’65 have have a single scoop, while the ’66 has 3 horizontal trim pieces along the scoop.

  3. Stock hubcaps were also different for both years.

The ’66 and the ’67 is easier yet to tell apart.

  1. The body of the ’67 mustang is an inch and a half wider and two inched longer than the ’66. The hood, grille, bumpers, and taillights are all different on the ’67.

A ’67 and a ’68 have a lot in common, but you can tell the difference because of two very obvious difference. The ’67 has two plastic inserts in the side scoops, and the ’68 eliminated them both.

And, the ’68 mustang has rear and front fender reflectors that were a part of the body of the car.

These are the main differences between the early classic Mustangs. Do you know of any other differences?

27 Comments

  • David Gardner

    1969 Mustangs were the first and only dual headlight for almost a decade.

  • Stephen Richardson

    Original Mustangs had Generators not alternators.

  • Michael Meckley

    I know that the 64 1/2 most had a” 200″ 6 cly and they had 4 lug wheels do to the low HP in “65” had 289 and 3 HP ranges the Shelby being the hi est and 5 lug an 411 pos rear-end the dash in the “65” an “64” was out of the fairlane the “64”s used the falcon floor an uni-frame in “65” they made them heavier to support the biger “289”s and they had the inner fender support bars form the firewall to behind the shock mount.

  • Ron Taylor

    the other difference between the 64 and 1/2 is the engines in 641/2 were mostly 6 cyl option was a 260 or a 260 hi performance only the 65 had a new 289 as option with the others.

  • Chris Rackley

    641/2 also had 289 “D” code four barrel, plus K code 289 hipo.

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