Ram is known as a leader of off-road pickups, but with the debut of their Rebel TRX Concept fitted with the insane 6.2L HEMI V8 producing 575-hp, the truck maker has just created most powerful factory-engineered half-ton pickup ever.

The supercharged engine is paired to an eight-speed automatic transmission and 4×4 Performance Control System and paddle-shifters. To keep up with the tough terrain, the front and rear axles feature severe-duty components, plus more than 13 inches of wheel travel at all four corners, an increase of more than 40 percent.

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With menacing looks, the Rebel TRX Concept shares design elements with the Power Wagon and Rebel with unique RAM front grille and steel bumpers; six inches wider than the standard Ram 1500, the rugged body design and huge fender wells clear aggressive 37-inch tires.

Trucks today are following this trend of more aggressive styling with lush cabin environments – the Ram Rebel TRX Concept is certainly one of them, in our minds, in the top five of the best.