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Generac iQ3500 vs iQ2000 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Generac iQ2000 and the Generac iQ3500.

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 iQ2000

Generac iQ3500

picture of the Generac iQ2000picture of the Generac iQ3500
  • Lower fuel consumption
  • Less bulky
  • Lighter
  • Fuel gauge
  • Higher running & starting watts
  • Higher runtime
  • Electric start
  • More outlet types
  • More AC outlets
  • DC outlet(s)
As the iQ2000 and the iQ3500 are both Generac generators, they benefit from the same level of quality and attention to detail.

Power Comparison

  • Power: With a running wattage of 3000 W, the Generac iQ3500 will allow to power more appliances and tools than the 1600 running watts of the Generac iQ2000. Moreover, compared to the 2000 starting watts of the iQ2000, 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 iQ2000: it can operate for up to 14.1 hours, whereas the iQ2000 offers a maximum runtime of 7.7 hours.
  • Fuel Efficiency: With a gasoline consumption at 25% load of 0.14 GPH (gallon per hour), the Generac iQ2000 is more fuel efficient than the iQ3500 and its 0.18 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 Generac iQ2000 and <3% for the Generac iQ3500) and are therefore perfectly suitable to safely power your sensitive electronic devices.

Portability Comparison

  • Bulkiness: With dimensions of L20" x W12.6" x H16.9", the Generac iQ2000 offers a much more compact experience of power generation than the Generac iQ3500 and its L23.7" x W18" x H21.7".
  • Weight: Weighing 46.5 lbs, the iQ2000 is much lighter than the 109.1 lbs of the iQ3500.
  • Portability: The iQ2000 has a handle and the iQ3500 a double handle, to help you better manipulate them.

Feature Comparison

  • Starting System: While these two devices can both start thanks to a conventional pull-start mechanism, the Generac iQ3500 has the advantage of also being able to get running via a convenient electric starter.
  • Outlets: With a total of 3 AC outlets, the iQ3500 offers more AC receptacles than the iQ2000, which has 2 AC outlets. None of them feature GFCI outlets. The latter also offers a DC output. For more detailed information regarding all their respective receptacles, refer to the iQ2000's and the iQ3500'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, thanks to a fitted fuel gauge, the Generac iQ2000 provides instant visibility of the fuel level.

TL;DR

Generac iQ2000

Generac iQ3500

picture of the Generac iQ2000picture of the Generac iQ3500
  • Lower fuel consumption
  • Less bulky
  • Lighter
  • Fuel gauge
  • Higher running & starting watts
  • Higher runtime
  • Electric start
  • More outlet types
  • More AC outlets
  • DC outlet(s)
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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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