The Bombardier Global 8000 beats the Gulfstream G700 in speed, but which ultra-long-range jet truly offers the best performance overall?

The new Global 8000 will have an extended range of 8000 nautical miles and the fastest speed in business jets of Mach 0.94.

In tests, the Global 8000 went supersonic. In real life, it'll reach Mach 0.94 and have a range of 8,000 nautical miles. It's ...