Some cars turn heads on the outside, but the truly memorable ones do it inside, too. The right interior can feel just as timeless as the bodywork—and a few classic cabins have aged like fine wine.

Let's face it — life gets messy, and so does your car. Between daily commutes, quick meals on-the-go, and weekend trips, it's easy for your car's interior to start looking a bit lived-in. A quick wipe ...