What is the difference between BMW 650i and 645i?

The 645i and 650i are high-performance vehicles made by BMW and belong to the six series. They are both recognized for their large engines, elegant styling, and massive price tags. The main variance between the 650i and the 645i is their age, as 650i is the newer model. Since it is more contemporary, it has better-quality engine function, improved options, more modern brake technology, and performance.

The 650i also has less engine strain and reduced fuel consumption. It is more powerful, more fuel efficient, and it is even better looking.