Gulfstream G450 / G350 vs Gulfstream G550
The G550 flies further: 6,750 nm against 4,350 nm for the G450. The G550 has the bigger cabin: 1,669 cu ft against 1,525 cu ft for the G450. The G550 is faster at high-speed cruise: 488 kts against 476 kts for the G450.
G450 or G550?
Which flies further, the G450 or the G550?
The G550 flies further: 6,750 nm against 4,350 nm for the G450.
Which has the bigger cabin, the G450 or the G550?
The G550 has the bigger cabin: 1,669 cu ft against 1,525 cu ft for the G450.
Which is faster, the G450 or the G550?
The G550 is faster at high-speed cruise: 488 kts against 476 kts for the G450.
Which seats more passengers?
The G550 seats more in a typical charter layout: up to 18 against up to 14 for the G450.
Which costs more to buy, the G450 or the G550?
Pre-owned, the G450 sells for about $8.5 million to $19.5 million (October 2026) and the G550 for about $15 million to $35 million (Q1 2026). New, they listed at $43 million (2004) and $62 million.
Which is easier to charter in the US?
105 G450 and 105 G550 are on the US Part 135 charter list today. Both charter at heavy jet rates; availability on your dates decides the price.
G450 vs G550 specifications
Verified figures, checked October 2026. Fleet counts from the FAA Part 135 list (2 September 2026).
| Specification | G450 Gulfstream | G550 Gulfstream |
|---|---|---|
| Performance | ||
| Range | 4,350 nm (8,056 km) | 6,750 nm (12,501 km) (best) |
| High-speed cruise | 476 kts | 488 kts (Mach 0.85) (best) |
| Long-range cruise | 459 kts | 459 kts (Mach 0.8) |
| Maximum speed | Mach 0.88 | Mach 0.885 (best) |
| Maximum altitude | 45,000 ft | 51,000 ft (best) |
| Take-off distance | 5,600 ft (best) | 5,910 ft |
| Landing distance | 2,663 ft (best) | 2,770 ft |
| Cabin | ||
| Typical charter seats | 14 | 14 to 18 (best) |
| Maximum seats | 16 | 19 (best) |
| Beds (typical layout) | 4 | 6 (best) |
| Cabin zones | 3 | 3 |
| Cabin length | 40 ft 4 in (12.29 m) | 43 ft 11 in (13.39 m) (best) |
| Cabin width | 7 ft 4 in (2.24 m) | 7 ft 4 in (2.24 m) |
| Cabin height | 6 ft 2 in (1.88 m) | 6 ft 2 in (1.88 m) |
| Cabin volume | 1,525 cu ft | 1,669 cu ft (best) |
| Baggage | 169 cu ft, reachable in flight | 226 cu ft, reachable in flight (best) |
| Windows | Not published | 14 |
| Cabin altitude | Not published | 3,680 ft at 41,000 ft |
| Engines and weights | ||
| Engines | 2 × Rolls-Royce Tay 611-8C | 2 × Rolls-Royce BR710 C4-11 |
| Thrust per engine | 13,850 lbf | 15,385 lbf |
| Maximum take-off weight | 74,600 lb | 91,000 lb |
| Fuel capacity | 29,500 lb | 41,300 lb |
| Price and ownership | ||
| First delivered | 2004 | 2003 |
| In production | No | No |
| New price | $43M (2004) | $62M |
| Pre-owned price | $8.5M to $19.5M | $15M to $35M |
| Operating cost per hour | $13,218 | $8,163 |
| Charter fleet | ||
| On the US charter list | 105 aircraft | 105 aircraft |
Gold marks the best figure in each row. Take-off distance: At maximum take-off weight, sea level. Cabin length: Manufacturers measure cabin length differently; volume is the fairer comparison. Operating cost per hour: As reported; some sources quote variable cost only, others include fixed costs. See the basis under each aircraft.
Both aircraft at a glance
Gulfstream G450 / G350
- Seats
- 14 (max 16)
- Range
- 4,350 nm
- Cabin
- 1,525 cu ft
- In production
- No
- Charter fleet
- 105 in the US
US operators: Flexjet, Executive Jet Management, Solairus Aviation
G450 specs, interior and price →
Gulfstream G550
- Seats
- 14 to 18 (max 19)
- Range
- 6,750 nm
- Cabin
- 1,669 cu ft
- In production
- No
- Charter fleet
- 105 in the US
US operators: Executive Jet Management, Solairus Aviation, STA Jets
G550 specs, interior and price →Compare with other heavy jets
Questions, answered
Still deciding? A charter specialist will talk you through aircraft, airports and price, with no obligation.
Ask a specialistWhich flies further, the G450 or the G550?+
The G550 flies further: 6,750 nm against 4,350 nm for the G450.
Which has the bigger cabin, the G450 or the G550?+
The G550 has the bigger cabin: 1,669 cu ft against 1,525 cu ft for the G450.
Which is faster, the G450 or the G550?+
The G550 is faster at high-speed cruise: 488 kts against 476 kts for the G450.
Which seats more passengers?+
The G550 seats more in a typical charter layout: up to 18 against up to 14 for the G450.
Which costs more to buy, the G450 or the G550?+
Pre-owned, the G450 sells for about $8.5 million to $19.5 million (October 2026) and the G550 for about $15 million to $35 million (Q1 2026). New, they listed at $43 million (2004) and $62 million.
Which is easier to charter in the US?+
105 G450 and 105 G550 are on the US Part 135 charter list today. Both charter at heavy jet rates; availability on your dates decides the price.
Where these numbers come from
- Aviation Safety Network: Gulfstream IV family (GLF4) occurrences
- AIN: EASA approves 100 ft decision height for EVS-equipped Gulfstreams (Aug 2008): EVS II standard on new G450s, optional on the G350
- GlobalAir: Gulfstream G550 specifications (Oct 2026): Rolls-Royce BR710, MTOW 91,000 lb, range 6,750 nm, cabin 43 ft 11 in, 1,669 cu ft, takeoff 5,910 ft, ceiling 51,000 ft
- Guardian Jet: Gulfstream G450 brochure, performance, market, operating costs (Oct 2026): 19 for sale, asks $8,495,000 to $19,495,000, model years 2005 to 2014
- Aviation Week: Gulfstream G450, good value in a large cabin (Oct 2020): 4,200 nm at Mach 0.80 with 8 passengers, 3,300 nm at Mach 0.85, 12 in longer nose from the G550, PlaneView with HUD and EVS standard, forward and aft lavatories standard, about 200 nm more range than the GIV and GIV-SP
- Civil Aviation Authority of New Zealand: Gulfstream G-IV type acceptance report (May 2010): FAA Type Certificate A12EA; the GIV-X is available as the G350 and the G450
- CRAFT: Gulfstream G450 ownership and operating costs (Oct 2026): $13,218 per flight hour at 200 hours a year, annual total $2,643,567
- Jetcraft: Gulfstream G450 overview, 2005 to present (Mar 2017): cabin volume 1,525 cu ft
- Solairus Aviation: OXC based Gulfstream G450 charter sheet (May 2024): 12 passengers, sleeps 4, aft galley, Ku-band Wi-Fi
- Wikipedia: Gulfstream IV, G450 section: FAA approval 12 August 2004, last G450 delivered 19 January 2018, 365 built
- Guardian Jet: 2012 Gulfstream G450 N702TR S/N 4259 specifications (Apr 2023): 14 passengers, four-place divan opposite two club seats aft
- CRAFT: Gulfstream G450 specifications (Oct 2026): range 4,350 nm from the October 2015 brochure, Mach 0.80, 8 passengers, 3 crew, NBAA IFR reserves; maximum operating Mach 0.88
- Guardian Jet: 2016 Gulfstream G450 N904TS S/N 4347 specifications (Dec 2023): 16 passengers, two four-place divans aft
- Berard Aviation via AvPay: Gulfstream G450 N200CK S/N 4304 for sale (Sep 2026): 13 passengers plus jump seat, three-place berthable divan
- Guardian Jet: 2010 Gulfstream G450 N48PL S/N 4181 specifications (Sep 2019): in-flight accessible baggage bay
- AircraftExchange: 2010 Gulfstream G450 N908CC S/N 4195 listing (2026): 14 passengers, aft galley, forward and aft lavatories, Gogo Avance L5
- Guardian Jet: 2010 Gulfstream G450 N804AG S/N 4199 specifications (Sep 2022): 12 passengers, aft galley, one aft lavatory, cockpit jump seat
- Aviation Safety Network: Gulfstream G450 N667HS, Salzburg, 11 April 2017 (UUS Austria report BMVIT-85.245)
- EASA: Type Certificate Data Sheet EASA.IM.A.070, Issue 13 (Aug 2026): GIV-X also known as the G450 (ASC 005) and the G350 (ASC 004), FAA certification 12 August 2004, EASA 19 November 2004
- GlobalAir: Gulfstream G450 specifications (Oct 2026): internal baggage 169 cu ft
- Aviation Safety Network: Gulfstream G450 HZ-A23, Jeddah, 13 July 2022, runway excursion, written off
- Aviation Week: Gulfstream ends G450 as it launches G500 (Nov 2016): last G450 to be delivered in early 2018
- Business Jet Traveler: Gulfstream G450 (2026): price new $43M, production 2005 to 2016
- AIN: Sequence of miscues leads to G450 nose gear collapse (Apr 2018), on the Austrian investigation report
- GlobalAir: G650 vs G550 (Sep 2026)
- Aviation Safety Network: Gulfstream G550 occurrences
- ICAO Carbon Emissions Calculator methodology: 3.16 kg of CO2 per kg of jet fuel
- CRAFT: Gulfstream G550 ownership and operating costs (Oct 2026)
- Hong Kong Civil Aviation Department: Serious Incident Report 1/2017, B-8256
- DC Aviation: Gulfstream G550 charter aircraft
- Wikipedia: Gulfstream G550
- Business Jet Traveler: G550
- Flightglobal: G550
- Guardian Jet spec sheet, Gulfstream G550 S/N 5354 (2012)
- Gulfstream: 550th G550 delivered (2017)
- Guardian Jet spec sheet, Gulfstream G550 S/N 5121 (2007)
- Guardian Jet spec sheet, Gulfstream G550 S/N 5446 (2014)
- Magellan Jets G550
- AIN: G550 production ends (2021)
Fly the G450 or the G550.
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