What is the best year of the G63?
For the G63 that will hold the best value, the 2018 model year is the top choice. As the final year of this generation, it comes with all the incremental improvements made over the years, including the most refined interior options, advanced technology features, and the highest level of standard equipment. The biggest difference between the G550 and G63 lies under the hood. Verdict: If you want a more powerful, performance-oriented SUV, the G63 delivers thrilling acceleration and a sportier driving experience. The G550, while still quick, is more relaxed and refined.