* Gross Vehicle Weight Rating (GVWR): The G30 had a significantly higher GVWR than the G20, meaning it could carry a heavier payload. This was due to a stronger chassis and suspension.
* Engine Options: While both offered a range of engines, the G30 generally had more powerful engine options available to handle its greater capacity.
* Axle Ratios: G30s often had lower axle ratios geared for towing and hauling heavier loads.
* Suspension: The G30 typically featured a more robust suspension system to support heavier loads.
* Construction: While not always strictly defined, some subtle differences in construction could be found reflecting the intended duty. For example, frame strength might be slightly better in the G30.
In short, the G20 was a versatile van suitable for many uses, while the G30 was designed for more demanding applications requiring greater hauling and towing capabilities. Think of the G20 as the "light duty" version and the G30 as the "heavy duty" counterpart.
