A subtle sleeper of a car, the E63 AMG wagon takes one of the brand's best-built engines, the 5.5-liter direct-injection bi-turbocharged V8 power plant that also finds its way into the E63 sedan, among others. One of our favorite powerplants, it replaces a naturally aspirated 6.3 liter mill and is a baller to the tune of 518 horsepower and 516 lb-ft of torque. The net result is more power with better emissions and a top speed of 155 mph. For comparison’s sake, the 4.6-liter V8 in the E550, on which the 5.5-liter is based, produces 402 horsepower and 443 lb-ft of torque.

It’s a sleeper from every angle, but, still, we have never been in a car that has attracted as much attention as this E63 wagon. With 550 horsepower and 590 lb-ft of torque on tap with the pressing of a pedal, it is as potent as a shot of adrenaline to the heart. Think John Travolta and Uma Thurman in Pulp Fiction. The zero-to-60 sprint in 4.2-seconds from the five-and-a-half-liter V8 Biturbo, managed to kick us straight back into our seats.