2019 vs 2025 G550: What Changed (Engine, Tech, and Feel)
Two new-gen G550s, side by side: a 2019 V8 biturbo versus a 2025 turbo inline-six with 48V mild hybrid. We break down what actually changed—powertrain, MBUX tech, subtle aero tweaks, and real-world driving feel—so you can decide whether you want the guttural V8 character or the quicker, more efficient hybrid-assisted six.