International Auto Sales Renton is located at 313 Rainier Ave, Renton, WA. This location is in the Downtown Renton neighborhood. This business specializes in Auto Dealers and Rental. International Auto Sales Renton is open Mon, 10am-7pm ; Tue, 10am-7pm ; Wed, 10am-7pm ; Thu, 10am-7pm ; Fri, 10am-7pm ; Sat, 10am-5pm ; Sun, Closed. and accepts American Express, Cash, Discover, Mastercard and Visa.