We need your help: Add data for Atlanta, GA! You would need around 5,141.41$ in Seattle, WA to maintain the same standard of life that you can have with 4,200.00$ in Atlanta, GA (assuming you rent in both cities).This calculation uses our Consumer Prices Including Rent Index.estaurant Prices in Seattle, WA are 10.81% higher than in Atlanta, GA. Groceries Prices in Seattle, WA are 4.61% higher than in Atlanta, GA. Local Purchasing Power in Seattle, WA is 3.41% higher than in Atlanta, GA.