2021 Chevrolet Suburban And Tahoe Productiom line at GM’s Arlington Assembly plant. A 1.6-million-square-foot expansion of General Motors’ Arlington Assembly facility is designed to improve production-efficiency and build-quality of the all-new 2021 Chevrolet Tahoe and Suburban. The previously announced investment of more than $1.4 billion for the plant includes a new, 1-million-square-foot body shop and a 600,000-square-foot expansion of the paint shop, along with new, high-precision camera- and laser-based inspection systems that offer more sophisticated quality checks for the segment-leading SUVs. null