Unveiled in 2014, the Mercedes-AMG GT is the company’s latest halo sports car and replaces the SLS AMG in the lineup. However, the [AMG GT is smaller than its predecessor and aimed at a slightly different market niche, having been developed as a competitor for the Porsche 911. The sports car was also used to introduce AMG’s brand-new engine, a twin-turbo, 4.0-liter V-8. Launched in GT and GT S variations, the two-door gained higher performance GT R (coupe)…