The Front drive C-Body Buick’s were all Park Avenues by 1991, when this smooth new shape appeared along with GM’s first electronically controlled automatic transmission. The base model was priced at $24,385. A step above the 91 Park avenue was the new ultra, with a supercharged 3.8-liter V-6 packing 205 horses versus 170. Prices started … Continue reading 1991 Buick Park Avenue Ultra Test Drive