They are fundamentally different types of vehicles. But putting that aside, if you want to compare the largest payload that each vehicle can transport you wouldn’t just use the pickup truck’s GVWR, you would also include it’s towing capacity. There’s a reason 90% of the time people use a pickup to haul something, they’re towing.
If that happens, they just fall back to the first option of waiting for their provider to set up the IPMI.