* Engine size: Different engines added different weight.
* Trim level: Higher trim levels often included more features, increasing weight.
* Options: Things like air conditioning, power steering, and heavy-duty suspension all impacted the overall weight.
You can try to find this information on:
* The vehicle's original build sheet (if available): This document will list the GVWR.
* The owner's manual (if available): The GVWR is usually specified in the owner's manual.
* A 1970 Chevy El Camino brochure: Brochures sometimes list weights for different models. You can find these online via archives or collector sites.
* Online resources specializing in classic car data: Some websites compile specifications for older vehicles.
Without specific details about the particular 1970 El Camino, it's impossible to provide its GVWR.