Gulfstream GIII vs Gulfstream GIV
The Gulfstream III and Gulfstream IV are successive large-cabin heavies — the GIII (1979-1986) is the classic Spey-powered intercontinental Gulfstream; the GIV (1985-2003) is the modernised, quieter, longer-range Tay-powered development with an EFIS cockpit.
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
- For sale now
- 4
- Listed on 2+ marketplaces
- 1
- Source marketplaces
- 3
- Model years available
- 1980–1986
- For sale now
- 63
- Listed on 2+ marketplaces
- 23
- Source marketplaces
- 12
- Model years available
- 1988–2005
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Safety Record
Absolute counts scale with fleet size — the most-produced types log more events without being less safe. Compare the % fatal.
| NTSB (1982–now) | Gulfstream GIII | Gulfstream GIV |
|---|---|---|
| All events | — | 9 |
| Serious | — | 0 |
| Fatal | — | 2 |
| Fatalities | — | 12 |
| % Fatal | — | 22% |
Full Specs Comparison
| Spec / Model | Gulfstream GIII | Gulfstream GIV |
|---|---|---|
|
|
|
| Price Range | $195,000 – $1,027,500 | $1,534,250 – $5,424,250 |
| Category | Large Cabin Jet | Large Cabin Jet |
| Model Specifications | ||
| Seats | — | 14 |
| Cruise Speed | — | 488 kts (904 km/h) |
| Range | — | 4,220 nm (7,815 km) |
| Max Gross Weight | — | 73,200 lbs (33,204 kg) |
Which Should You Buy: Gulfstream GIII or Gulfstream GIV?
Bottom line: Choose the GIV for longer range, quieter Tay engines, modern systems and far better support — the practical classic-heavy Gulfstream. Choose the GIII only for the lowest entry into a large-cabin Gulfstream, accepting older Spey engines, higher fuel burn, noise-rule limits and mandate-upgrade costs.
Pick the GIII if…
- Budget matters — from $195,000 vs $1,534,250, you save ~$1,339,250.
Pick the GIV if…
- More inventory — 56 listings vs 4.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.