Question: What vehicle produced by General Motors from 1962 to 2002 did testers feel was a more roadworthy car as compared to the Ford Thunderbird?
Sentence (from "Pontiac Grand Prix"): Among the changes were positioning in the personal luxury car market segment and mid-size car offering from the 2nd generation to the 5th generation for the sedan and from the 2nd generation to the 6th generation from the coupe; it returned to a full-size car from the 6th generation to the 7th generation for the sedan, positioned below the larger Bonneville in Pontiac's model lineup.
Relevant evidence: No