Though Subaru didn’t invent the all-wheel drive sport-utility wagon, it certainly have done the most to popularize it in the US. The formula is deceptively simple: combine the capability and capacity of an SUV with an economy car’s efficiency and ease-of-use. That Subaru’s Outback has had two decades of success pulling it off proves just how well the company has managed to blend ruggedness, refinement, and roominess while remaining reasonably-priced.