As of 2010, Gulfstream offered eight models. The G150, which could accommodate two pilots and a typical load of four passengers in a smaller cabin; the G200, which could accommodate a typical load of four passengers in a mid-size cabin; the G250, which could accommodate a typical load of four passengers in a large cabin; and the G350, 450, 500, 550, and 650 which could accommodate a typical load of eight passengers.
The G150 had a long range cruising speed of mach 0.75 and range of 3,452 miles, the G200 and the G250 had a long range cruising speed of mach 0.80 and a range of 3,912 miles; the G350 had a long range cruising speed of mach 0.8 and a range of 4,373 miles; the G450 had a long range cruising speed of mach 0.8 and a range of 5,005 miles; the G500 had a long range cruising speed of 0.8 and a range of 6,674 miles; the G550 had a long range cruising speed of mach 0.8 and a range of 7,767 miles, and the G650 had a long range cruising speed of mach 0.85 and a range of 8,055 miles.
As of 2010, the G150 had a Honeywell TFE731-40AR; the G200 had a PWC PW306A; the G250 had a Honeywell HTF7250G; the G350 and G450 had a RR-Tay Mk 611-8C; the G500 and G550 had a RR BR710C4-11; and the G650 had a BR725A1-12.