* Check the owner's manual: The owner's manual should list the rear track dimensions.
* Consult the Chevrolet website: Visit the official Chevrolet website and look for the 2013 Express-Cargo specifications page.
* Use a vehicle information website: Websites like Edmunds, Kelley Blue Book, or Autotrader often provide detailed specifications for vehicles.
* Contact a Chevrolet dealership: Call your local Chevrolet dealership and ask for the rear track measurement for the 2013 Express-Cargo.
By using these resources, you should be able to find the rear track information you need.