Already an impressive specimen of automotive brawn, the Mercedes-Benz G63 AMG 6×6 has been upgraded by the aftermarket specialists at Mansory. The six-wheeled G-Class receives new headlamps and new carbon fiber components at the rear skirt, mirror housings and front skirt. The interior design, meanwhile, is appointed with premium Alcantara leather, as well as fine wood inserts throughout. The most significant upgrades are found under the hood, where the V8 5.5-liter twin-turbo engine is reworked with genuine racing components, including different connecting rods, pistons, bearings and cylinder head, plus a new crankshaft and exhaust system. The resulting output is rated at 840 horsepower and an electronically capped 737 lb-ft of torque.