Compare Gulfstream G400 vs Gulfstream G500 vs Gulfstream G650ER vs Gulfstream G800

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Manufacturer	Gulfstream	Gulfstream	Gulfstream	Gulfstream
Aircraft Type	G400	G500	G650ER	G750
Base Aircraft Price (USD)	34500000	$47,500,000	$60,000,000	71500000
Direct Operating Cost	-	$ 4,644	$ 4,844	-
DOC / nm	-	$ 9.00	$ 9.39	-
DOC / nm / Seat	-	$ 0.90	$ 0.78	-
Max Cruise Speed (ktas)	539	516	516	982
Max Range (nm)	4200	5200	7500	8000
Useful Load (lbs)	30650	30650	49500	-
Total Seats	12	12	14	12
Cockpit	-	2	2	-
Standard Cabin Seats	-	10	12	-
Max Cabin Seats	19	19	19	-
Min Crew	4	4	4	-
Flight Deck (Base Spec)	Gulfstream Symmetry Flight Deck	Gulfstream Symmetry Flight Deck	Gulfstream PlaneView II (Primus Epic)	-
Certification	-	In Development	FAA / EASA	-
OEM Verification	-	Un-Verified	Un-Verified	-
MRAMP (lbs)	-	77250	104000	-
MTOW (lbs)	-	79600	103600	-
MLW (lbs)	-	64350	83500	-
MZFW (lbs)	-	52100	60500	-
BOW (lbs)	-	46850	54000	-
Useful Load (lbs)	30650	30650	49500	-
Max Payload (lbs)	-	5500	6000	-
Fuel Capacity (lbs)	-	28850	48200	-
Payload Max Fuel (lbs)	-	1800	1300	-
Max Baggage Weight (lbs)	-	2250	2500	-
Dimensions
Wingspan (ft)	-	86.3	99.6	-
Overall Height (ft)	-	25.5	25.7	-
Length (ft)	-	91.2	99.8	-
Cabin Height (ft)	-	6.4	6.5	-
Aisle Step (ft)	-	Flat Floor	Flat Floor	-
Cabin Width (ft)	-	7.6	8.2	-
Cabin Width - Floor (ft)	-	6.1	6.7	-
Cabin Length (ft)	-	41.5	46.9	-
Cabin Length - Seating (ft)	-	26.3	32.7	-
Baggage Volume Int. (cu. ft)	-	230	235	-
Engine
No. of Engines	-	2	2	-
Manufacturer	Gulfstream	Gulfstream	Gulfstream	Gulfstream
Model	-	PW814GA	BR725 A1-12	-
Thrust (lbs)	-	15144	16900	-
Flat Rating	-	ISA + 15	ISA + 15	-
FADEC	-	Yes	Yes	-
TBO (hrs)	-	10000	On-Condition	-
Avionics
Flight Deck	-	Gulfstream Symmetry Flight Deck	Gulfstream PlaneView II (Primus Epic)	-
FMS	-	3	3	-
Autopilot	-	2	2	-
PFD	-	2	2	-
MFD	-	2	2	-
GPS	-	3	2	-
AHRS	-	1	1	-
Transponder	-	2	2	-
VHF Com	-	3	2	-
VHF NAV	-	3	2	-
Cabin
Total Seats	12	12	14	12
Cockpit	-	2	2	-
Standard Cabin Seats	-	10	12	-
Max Cabin Seats	19	19	19	-
Min Crew	4	4	4	-
Lavatory	-	2 Enclosed Flushing	2 Enclosed Flushing	-
Lavatory Location	-	FWD / AFT	FWD / AFT	-
Galley / Refreshment	-	Galley	Galley	-
Galley Location	-	FWD	FWD	-
Crew Rest	-	No	Yes	-
Jump Seat	-	Yes	Yes	-
SL Cabin Altitude (ft)	-	31900	31900	-
Cabin Pressure (psi)	-	10.7	10.7	-
Other
APU Manufacturer	-	-	-	-
APU Model	-	-	-	-
APU TBO (hrs)	-	-	-	-
Warranty
Airframe (Yrs)	-	3	3	-
Airframe (Hrs)	-	1000	1000	-
Engine (Yrs)	-	2	2	-
Engine (Hrs)	-	1000	1000	-
APU (Hrs)	-	2000	2000	-
Performance
Max Cruise Speed (Mach)	-	0.9	0.9	-
Max Cruise Speed (ktas)	539	516	516	982
Long Range Cruise (Mach)	-	0.85	0.85	-
Long Range Cruise (ktas)	-	487	487	-
Vref (kias)	-	-	114	-
Max Range (nm)	4200	5200	7500	8000
Max Range Crew + 4 (nm)	-	5200	7500	-
Max Range Crew + 6 (nm)	-	5200	7500	-
Max Range Crew + 8 (nm)	-	5200	7500	-
Take-off FL (ft)	-	5200	6299	-
Take-Off (5000 / ISA + 10)	-	-	11139	-
Landing Roll (ft)	-	3100	3000	-
Service Ceiling (ft)	-	51000	51000	-