That's an excellent question, and one we hear often from property managers, city planners, and homeowners. The price comparison isn't as simple as one material always being cheaper than the other; it hinges on the specific style, intended use, and long-term value. Generally, you'll find that basic, mass-produced aluminum benches often have a lower initial purchase price. However, when you look at ornate, classic-design cast iron benches or heavy-duty commercial models, the prices can be comparable or even higher for premium aluminum.
The real story is in the value over time. Cast iron park benches are renowned for their immense durability and timeless, heavyweight aesthetic. They are virtually indestructible under normal use and can last for generations with proper care (like occasional painting to prevent rust). Their initial cost is higher, but they offer a permanent fixture feel.
Aluminum benches, especially those made from cast or extruded aluminum, are lightweight, rust-proof, and require minimal maintenance—often just occasional cleaning. They are easier to install and relocate. While some modern designs can be pricey, their value lies in low lifetime upkeep.
For a straightforward comparison: if your priority is the lowest upfront cost and minimal weight, aluminum is often the winner. If you seek unparalleled durability, a classic heritage look, and a permanent installation where budget is secondary to longevity, cast iron provides exceptional long-term value. We recommend choosing based on your project's specific needs for traffic, style, and maintenance capacity.