Mercedes only offers the E-Class Wagon in E450 and E63 guises, with starting prices ranging from $66,100 for the former to $111,750 for the latter. By comparison, there's simply a much wider price range for the GLE-Class, which starts at $54,250.

You'll get a fair amount more in the E450, including a twin-turbocharged V6 and standard all-wheel drive rather than a turbocharged four-cylinder and rear-wheel drive, of course, but it's also worth noting that the GLE 450 features the same powertrain and is still about $5,000 cheaper. That brings us to our final point…