The fifth generation of the Ford Thunderbird is a large personal luxury car that was produced by Ford for the 1967 to 1971 model years. This fifth generation saw the second major change of direction for the Thunderbird. The Thunderbird had fundamentally remained the same in concept through 1966, even though the styling had been updated twice. The introduction of the Ford Mustang in early 1964 had, however, challenged the Thunderbird's market posi...Market description provided by CLASSIC.COM