Question: what is the difference between bmw m6 and 650i?
Answer: The 650i has a twin-turbocharged 4.4-liter V8 that makes 445 horsepower. An eight-speed automatic transmission is standard. ... The high-performance 2016 BMW M6 features a twin-turbocharged 4.4-liter V8 engine that produces 560 horsepower and 500 pound-feet of torque.