What is the most durable Rustoleum spray paint?

The most durable Rust-Oleum spray paint for general use is considered to be Rust-Oleum Professional High Performance Enamel and Rust-Oleum Professional High Performance Protective Enamel, which are designed for industrial and commercial heavy-duty applications. Professional line contains higher solids, better corrosion inhibitors, faster dry, and more abrasion and chemical resistance than regular Painter's Touch or Stops Rust, and is rated for machinery, equipment, and metal structures. For extreme durability, Rust-Oleum Universal Advanced Formula with trigger spray and Rust-Oleum Painter's Touch 2X Ultra Cover with improved adhesion are very durable for DIY, with Universal offering better adhesion to difficult surfaces and 2X offering double coverage. For automotive and high heat, Rust-Oleum High Heat and Rust-Oleum Automotive Enamel are most durable in their categories, resisting heat up to 2000 degrees for high heat. For rust prevention specifically, Rust-Oleum Stops Rust Protective Enamel with rust inhibitor is most durable for metal. Among consumer lines, many professionals consider Rust-Oleum Universal as most durable all-purpose spray due to its oil-based modified formula that bonds to wood, metal, plastic, and masonry without primer and provides tough finish. Professional High Performance is top for industrial durability, while Universal is top for DIY versatility. Both cost 8 to 12 dollars per can and provide protection for 5 years or more when properly applied.