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Briggs & Stratton Q6500 QuietPower vs P4500 PowerSmart - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Briggs & Stratton P4500 PowerSmart and the Briggs & Stratton Q6500 QuietPower.

But before checking out explanations regarding their power, portability, and features, here's a table that summarizes the main pros of each of these 2 generators:

Briggs & Stratton P4500 PowerSmartBriggs & Stratton Q6500 QuietPower
Briggs & Stratton P4500 PowerSmartBriggs & Stratton Q6500 QuietPower
  • Higher runtime
  • Lower fuel consumption
  • Quieter
  • Less bulky
  • Lighter
  • Electric start
  • CO Guard™ technology
  • Higher running & starting watts
  • GFCI outlets
  • 240V output
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As the P4500 PowerSmart and the Q6500 QuietPower are both Briggs & Stratton generators, they benefit from the same level of quality and attention to detail.

Power Comparison

The following charts are provided to show you at a glance how the main specs of the Briggs & Stratton P4500 PowerSmart compare to the Briggs & Stratton Q6500 QuietPower.

  • Power: With a running wattage of 5000 W, the Briggs & Stratton Q6500 QuietPower will allow to power more appliances and tools than the 3700 running watts of the Briggs & Stratton P4500 PowerSmart. Moreover, compared to the 4500 starting watts of the P4500 PowerSmart, the Q6500 QuietPower and its starting wattage of 6500 W will give more power to start the appliances which require an additional boost to get their motor running.
  • Runtime: When loaded to 25% of their max capacity, the P4500 PowerSmart offers a higher runtime on a full tank than the Q6500 QuietPower: it can operate for up to 16 hours, whereas the Q6500 QuietPower offers a maximum runtime of 14 hours.
  • Fuel Efficiency: With a gasoline consumption at 25% load of 0.22 GPH (gallon per hour), the Briggs & Stratton P4500 PowerSmart is more fuel efficient than the Q6500 QuietPower and its 0.36 GPH. The former's operation will therefore cost less in terms of the money spent on gasoline. Inverter generators like these 2 are of the most fuel efficient (and quiet) type.
  • THD: Both generators offer a low THD (<3% for the Briggs & Stratton P4500 PowerSmart and <3% for the Briggs & Stratton Q6500 QuietPower) and are therefore perfectly suitable to safely power your sensitive electronic devices.
  • Noise: With a noise of 60 dBA, the P4500 PowerSmart allows for a quieter operation than the 66 dBA of the Q6500 QuietPower. The former will therefore be the most suitable for you if you take noise emission seriously.

Portability Comparison

  • Bulkiness: With dimensions of L24.5" x W17.6" x H20.36", the Briggs & Stratton P4500 PowerSmart offers a much more compact experience of power generation than the Briggs & Stratton Q6500 QuietPower and its L27.7" x W23.2" x H22.3".
  • Weight: With a weight of 115 lbs, the P4500 PowerSmart is slightly less heavy than the Q6500 QuietPower (which weighs 128 lbs).
  • Portability: Both products benefit from a wheel kit, which greatly enhances their manoeuvrability. Both offer a telecospic handle, which improves your grip when you wish to move them around.

Feature Comparison

  • Starting System: These two devices can both be reliably started thanks to a conventional pull-start mechanism. However, the Briggs & Stratton P4500 PowerSmart also benefits from a convenient electric starter.
  • Outlets: The P4500 PowerSmart and the Q6500 QuietPower both offer 5 AC outlets. However, the Q6500 QuietPower has the advantage of featuring GFCI outlets. Both of them also feature a DC output. In addition, it is worth noting that only the Briggs & Stratton Q6500 QuietPower can also produce 240V. For more detailed information regarding all their respective receptacles, refer to the P4500 PowerSmart's and the Q6500 QuietPower's product pages.
  • Data Center & Fuel Gauge: Each of these 2 portable generators is equipped with a data center allowing you to conveniently monitor some aspects of the power output. Besides that, these 2 products are equipped with a fuel gauge allowing to see their fuel level at a glance. For the P4500 PowerSmart, this fuel gauge is digital and part of the data center.
  • Technology: The Briggs & Stratton P4500 PowerSmart benefits from a welcomed additional security feature: its CO Guard™ technology monitors carbon monoxide and automatically shuts off the generator if the ambient levels become unsafe.

TL;DR

Briggs & Stratton P4500 PowerSmartBriggs & Stratton Q6500 QuietPower
Briggs & Stratton P4500 PowerSmartBriggs & Stratton Q6500 QuietPower
  • Higher runtime
  • Lower fuel consumption
  • Quieter
  • Less bulky
  • Lighter
  • Electric start
  • CO Guard™ technology
  • Higher running & starting watts
  • GFCI outlets
  • 240V output
Show all offers
Show all offers
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