The G-Class is an anachronism, an SUV built for the army in the 1970s. For one reason or another, the rich and famous fell in love with this huge square box, and the result is that the G is trimmed with leather, big chrome wheels and lots of gadgets. The AMG version is equipped with a 563-horsepower, twin-turbo V8 or even a powerful V12 with 621 horsepower.