12. 2012 Brabus Rocket 800

Notable Features: 800 hp, twin-turbocharged, 6.3-L engine; can reach 230 mph

Complex Says: Like Mercedes sedans, but feel like they're just not sporty enough? That's why Brabus exists. Brabus is a German tuner that specializes in Mercedes, Smart, and Maybach. The Rocket 800 also looks appropriately menacing with tastefully applied carbon fiber bits.