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Generac GP3000i vs iQ3500 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Generac iQ3500 and the Generac GP3000i.

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:

Generac iQ3500Generac GP3000i
Generac iQ3500Generac GP3000i
  • Higher running & starting watts
  • Higher runtime
  • Electric start
  • Data center with fuel gauge
  • Less bulky
  • Lighter
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As the iQ3500 and the GP3000i are both Generac 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 Generac iQ3500 compare to the Generac GP3000i.

  • Power: With a running wattage of 3000 W, the Generac iQ3500 will allow to power more appliances and tools than the 2300 running watts of the Generac GP3000i. Moreover, compared to the 3000 starting watts of the GP3000i, the iQ3500 and its starting wattage of 3500 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 iQ3500 offers a higher runtime on a full tank than the GP3000i: it can operate for up to 14.1 hours, whereas the GP3000i offers a maximum runtime of 5.8 hours.
  • Fuel Efficiency: At the same load as mentioned above (i.e. 25%), both generators will approximately burn 0.18 gallon of gasoline per hour. Inverter generators like these 2 are of the most fuel efficient (and quiet) type.
  • THD: Both generators offer a low THD (<3% for the Generac iQ3500 and <3% for the Generac GP3000i) and are therefore perfectly suitable to safely power your sensitive electronic devices.

Portability Comparison

  • Bulkiness: With dimensions of L22.2" x W13.3" x H18.4", the Generac GP3000i offers a much more compact experience of power generation than the Generac iQ3500 and its L23.7" x W18" x H21.7".
  • Weight: Weighing 59.5 lbs, the GP3000i is much lighter than the 109.1 lbs of the iQ3500.
  • Portability: The iQ3500 has a double handle and the GP3000i a standard handle, to help you better manipulate them.

Feature Comparison

  • Starting System: These two devices can both be reliably started thanks to a conventional pull-start mechanism. However, the Generac iQ3500 also benefits from a convenient electric starter.
  • Outlets: The iQ3500 and the GP3000i both offer 3 AC outlets. None of them feature GFCI outlets. Both of them also feature a DC output. For more detailed information regarding all their respective receptacles, refer to the iQ3500's and the GP3000i's product pages.
  • Data Center & Fuel Gauge: The Generac iQ3500 offers a better insight into its power production than the Generac GP3000i, because it is equipped with a data center. Besides that, thanks to the digital fuel fauge provided by its data center, the Generac iQ3500 provides instant visibility of the fuel level.

TL;DR

Generac iQ3500Generac GP3000i
Generac iQ3500Generac GP3000i
  • Higher running & starting watts
  • Higher runtime
  • Electric start
  • Data center with fuel gauge
  • Less bulky
  • Lighter
Show all offers
Show all offers
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You can compare as many generators as you wish. However, for the best results, we recommend you to compare only 2 generators at a time.

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