In 1973, the Pontiac GTO was restyled and downsized. Some called it the best looking Chevy Nova around; it was not a compliment. Both cars shared the GM A-body platform. Five mph bumpers were the law of the land, forcing Pontiac to install heavy and ugly "park benches" at both ends of the GTO.
1973 Production
Two Door Coupe, $3406: 494
400 ci 230 hp Manual: 187
400 ci 230 hp Automatic: 282
455 ci 250 hp Automatic: 25
Two Door Sport Coupe, $3493: 4,312
400 ci 230 hp Manual: 926
400 ci 230 hp Automatic: 2,867
455 ci 250 hp Automatic: 519
Total: 4,806
Available Engines:
400 cubic inch V8
230 hp
Compression ratio: 8:1
455 cubic inch V8 (automatic only)
250 hp
Compression ratio: 8:1
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