In the 1970s, an auto industry beset by multiple storms reacted to changes in consumer demand due to oil shortages, price spikes, and long lines at the pumps. As car buyers relinquished their thirsty barge-like domestic cars for more fuel-efficient options, often finding themselves looking over newly imported options from Japan, domestic automakers worked quickly to reduce the size of their models to meet the demand for more efficient cars. Advertisement
A highly successful platform of corporate giant General Motors, the G-body began as the A-body in 1978, during widespread downsizing of models across the domestic car industry….

Check out the original article: [Slashgear] 8 Of GM’s Most Iconic G-Body Muscle Cars