The Suburban is capable of doing more heavy lifting in its 2500 series, which denotes the heavy-duty models. Maximum payloads for the Suburban 2500 are 2,450 pounds with two-wheel drive and 2,181 pounds with four-wheel drive.
The Expedition does not come in a heavy-duty series, though payload varies between the standard-size models (206.5-inch overall length) and the EL models (221.3 inches). The base Expedition can haul 1,630 pounds with two-wheel drive and 1,590 pounds with four-wheel drive, and payload capacity on the EL is 1,580 pounds with two-wheel drive and 1,530 with four-wheel drive.
In comparison, the Suburban 1500 has payload ratings of 1,528 pounds with two-wheel drive and 1,576 pounds with four-wheel drive.
The Suburban, which comes in one size (224.4 inches), also has more cargo room, 137.4 cubic feet compared with 108.3 cubic feet in the base Expedition and 130.8 in the EL. However, the Suburban achieves that advantage without having a third row seat. The third row doesn’t fold flat in the Suburban, but it does in both sizes of the Expedition.
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