Comparison of Gulfstream III and Gulfstream IV [S]ave
| Attribute |  Gulfstream IV × |  Gulfstream III × |
|---|---|---|
| General | ||
| Manufacturer | Gulfstream Aerospace | Gulfstream Aerospace |
| Model | Gulfstream IV | Gulfstream III |
| Country | United States | United States |
| Manufactured from (year) | 1985 | 1979 |
| Manufactured to (year) | 2018 | 1986 |
| Type | Midsize Business Jets | Midsize Business Jets |
| Icao | GLF4 | GLF3 |
| Performance | ||
| Engine | 2x Rolls-Royce Tay 611-8 | 2x Rolls-Royce Spey RB.163 Mk 511-8 |
| Power, lbf (lbf) | 13,850 | 11,400 |
| Avionics | Honeywell SPZ-8000 | Honeywell Primus Epic CDS/R |
| Max cruise speed (km/h) | 904 | 885 |
| Approach speed (km/h) | - | 250 |
| Travel range (km) | 7,815 | 6,945 |
| Service ceiling (m) | 13,716 | 13,716 |
| Rate of climb (m/sec) | 21.43 | 21.39 |
| Take off distance (m) | 1,609 | 1,550 |
| Landing distance (m) | 1,521 | 1,346 |
| Weights | ||
| Max take off weight (kg) | 33,203 | 31,615 |
| Max landing weight (kg) | 26,535 | 26,535 |
| Max payload (kg) | 1,542 | 2,040 |
| Fuel tank capacity (l) | 13,300 | 12,757 |
| Baggage volume (m³) | 4.79 | 4.5 |
| Dimensions | ||
| Seats | 19 | 19 |
| Cabin height (m) | 1.85 | 1.8 |
| Cabin width (m) | 2.2 | 1.9 |
| Cabin length (m) | 13.74 | 12.6 |
| Exterior length (m) | 26.92 | 25.3 |
| Tail height (m) | - | 7.4 |
| Fuselage diameter (m) | - | 2 |
| Wing span (m) | 23.72 | 23.7 |
| Wing tips | No Winglets | Canted Winglets |
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