The GVWR (Gross Vehicle Weight Rating) for a 2003 Ford Escape varies slightly depending on the specific model (2WD vs. 4WD, engine, etc.). You won't find a single number that applies to all.
To find the GVWR for your specific 2003 Ford Escape, check the sticker located on the driver's side doorjamb. This sticker will list the GVWR along with other important weight information.