AMG GT R RSS
Porsche 992 GT3 vs Mercedes-AMG GT R — Track Car Tuning Compared | 2026
Two Track Weapons, Two Fundamentally Different Tuning Philosophies The Porsche 992 GT3 and Mercedes-AMG GT R are two of the most capable track-focused cars you can buy. One screams to 9,000 RPM with a naturally aspirated flat-six. The other punches with 577 HP of twin-turbo V8 torque. When it comes to tuning, they couldn't be more different — and understanding those differences is critical before spending a single dollar on modifications. At YPG Motorsport, we approach these cars with completely different strategies. Here's why. Head-to-Head Specification Comparison Spec Porsche 992 GT3 Mercedes-AMG GT R Engine MA175 4.0L NA Flat-6 M178...