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Compare Generators Side-by-Side

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

  • Briggs & Stratton 30761 Q6500 QuietPower
  • Generac #7153 GP3300i
  • Model 30761 Q6500 QuietPower
    Model 30761 Q6500 QuietPower

    Briggs & Stratton 5,000W Gas Generator

    5000W
    Running
    66 dB
    Noise
    View details
  • Model #7153 GP3300i
    Model #7153 GP3300i

    Generac 2,500W Gas Generator

    2500W
    Running
    0 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
SpecificationBriggs & Stratton 30761 Q6500 QuietPowerGenerac #7153 GP3300i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 5000 W
2500 W
Starting watts
Winner: Winner: 6500 W
3300 W
Noise (lower limit)
Winner: Winner: 66 dB
0 dB
Weight
139 lbs
Winner: Winner: 59.5 lbs
Run time @50% load
Winner: Winner: 10 h
4.5 h
Run time @25% load
14 h
7 h
Fuel tank
5 gal
1.06 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24.8 x 21.2 x 21.5
22.2 x 13.3 x 18.4
Electrical
Voltage (AC)
120/240V 60 Hz
120
Voltage (DC)
5V
5
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<3% %
<3% %
Engine
Engine
Briggs & Stratton OHV 4-stroke 306 cc
Generac OHV 149 cc 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
5000 W
2500 W
Starting watts
6500 W
3300 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
10 h
4.5 h
Run time @25% load
14 h
7 h
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Bonded to frame
Not available—
UPC
11675307615
696471104011
Core / High-priority specs
Running Watts (Gasoline)
5000
2500
Starting Watts (Gasoline)
6500
3300
Runtime @ 50% Load (Gasoline)
10
4.5
Runtime @ 25% Load (Gasoline)
14
7
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
306
149
Engine Oil Type
Not available—
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
7
Runtime @ 50% Load (Gasoline)
10
4.5
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available—
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Oil and funnel
Recoil
Included Accessories
Oil and funnel
Not available—
Warranty & identification
Commercial Warranty
2
Not available—
Part Number
30761
71533
Additional specs
Summary
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.
The Generac GP3300i is a 2,500-watt inverter generator built for users who need portable, clean power without the weight penalty. At 59.5 lbs, it moves easily between campsites, tailgates, and home backup scenarios. The 3,300-watt starting capacity handles motor-driven equipment, while sub-3% THD protects laptops and phones from voltage spikes.
  • 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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Briggs & Stratton 30761 Q6500 QuietPower
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Generac #7153 GP3300i
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