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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • A-iPower GXS5000
  • Briggs & Stratton 30761 Q6500 QuietPower
  • Model GXS5000
    Model GXS5000

    A-iPower 4,000W Gas Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model 30761 Q6500 QuietPower
    Model 30761 Q6500 QuietPower

    Briggs & Stratton 5,000W Gas Generator

    5000W
    Running
    66 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationA-iPower GXS5000Briggs & Stratton 30761 Q6500 QuietPower
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoNo
RV readyYesNo
Running watts
4000 W
Winner: Winner: 5000 W
Starting watts
5000 W
Winner: Winner: 6500 W
Noise (lower limit)
68 dB
Winner: Winner: 66 dB
Weight
Winner: Winner: 111.6 lbs
139 lbs
Run time @50% load
Not available
Winner: Winner: 10 h
Run time @25% load
20 h
14 h
Fuel tank
6.3 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 23.6 x 24
24.8 x 21.2 x 21.5
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
Not available
5V
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
<3% %
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve.
Briggs & Stratton OHV 4-stroke 306 cc
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
5000 W
Starting watts
5000 W
6500 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
10 h
Run time @25% load
20 h
14 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Bonded to frame
UPC
850016881298
11675307615
Core / High-priority specs
Running Watts (Gasoline)
4000
5000
Starting Watts (Gasoline)
5000
6500
Runtime @ 50% Load (Gasoline)
Not available
10
Runtime @ 25% Load (Gasoline)
20
14
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
306
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
14
Runtime @ 50% Load (Gasoline)
Not available
10
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Oil and funnel
Included Accessories
Oil, funnel, tool kit, and wheel kit.
Oil and funnel
Warranty & identification
Commercial Warranty
3
2
Part Number
Not available
30761
Additional specs
Summary
The A-iPower GXS5000 is a 4000-watt gasoline generator built for homeowners and RV users who need reliable backup power without excessive noise. With 5000 watts of starting power, it can kick-start larger appliances like air conditioners and well pumps, then sustain 4000 watts of continuous output for essential devices. This wattage class handles a full home backup scenario or powers a job site with moderate tool use, but not heavy industrial equipment or multiple high-draw appliances simultaneously. At 68 decibels, the GXS5000 runs quieter than most generators in its class. The 6.3-gallon fuel tank delivers 20 hours of runtime at 25 percent load, meaning light-duty use like charging devices or running a refrigerator stretches a full tank across an entire day. The recoil start system and included wheel kit make this a grab-and-go option for users who value simplicity over push-button convenience.
The Briggs & Stratton 30761 Q6500 QuietPower is a 5,000-watt inverter generator built for homeowners and outdoor users who need extended runtime without excessive noise. With 6,500 peak watts, this unit can start larger appliances like refrigerators and air conditioning units, then sustain 5,000 watts of continuous power for essential household devices, tools, and camping equipment. The inverter technology keeps total harmonic distortion below 3%, meaning laptops, phones, and televisions stay protected from power surges that would damage their circuits. At 66 decibels, the Q6500 operates quietly enough for residential neighborhoods and campgrounds where noise restrictions matter. The 5-gallon fuel tank stretches to 14 hours of runtime at 25% load, reducing refueling interruptions during extended outages or weekend trips. This combination positions the unit as a middle-ground option: more power than portable inverters, quieter than traditional open-frame generators, and practical for users who prioritize both output and operational peace.
  • Most Powerful
    Briggs & Stratton 30761 Q6500 QuietPower
    5000W running
  • Quietest
    Briggs & Stratton 30761 Q6500 QuietPower
    66 dB
  • Longest Runtime
    Briggs & Stratton 30761 Q6500 QuietPower
    10h at 50% load
Where to buy
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A-iPower GXS5000
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Briggs & Stratton 30761 Q6500 QuietPower
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