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Generac XT8000EFI vs GP8000E - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Generac GP8000E and the Generac XT8000EFI.

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 GP8000EGenerac XT8000EFI
Generac GP8000EGenerac XT8000EFI
  • Higher runtime
  • Lower fuel consumption
  • Lighter
  • Low THD
  • Electronic Fuel Injection
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As the GP8000E and the XT8000EFI 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 GP8000E compare to the Generac XT8000EFI.

  • Power: As both the Generac GP8000E and the Generac XT8000EFI share the same running wattage of 8000W, they will both allow you to simultaneously power the same appliances. In addition, as the 2 generators have the same starting watts (10000 W), they will both give you the same boost needed to start the motor of your most demanding appliances.
  • Runtime: When running at a 50% load, the GP8000E enjoys a higher approximate runtime on a full tank than the XT8000EFI. It can deliver power for around 11 hours, whereas the XT8000EFI will be able to power your appliances for around 9.5 hours.
  • Fuel Efficiency: With a gasoline consumption at 50% load of 0.84 GPH (gallon per hour), the XT8000EFI is less fuel efficient than the Generac GP8000E with its 0.72 GPH. The latter will therefore be more economic to run than the former.
  • THD: The Generac XT8000EFI with its low THD (<5%) is the only of these 2 generators that allows you to safely power your sensitive electronic devices (the Generac GP8000E has a THD <20%, which is too high for electronic products).

Portability Comparison

  • Bulkiness: As these two products share the same overall bulk, neither of them will really take up less storage space.
  • Weight: With a weight of 198 lbs, the GP8000E is slightly less heavy than the XT8000EFI (which weighs 216.1 lbs).
  • Portability: Both products benefit from a wheel kit, which greatly enhances their manoeuvrability. Both offer a folding handle, which improves your grip when you wish to move them around.

Feature Comparison

  • Starting System: Both devices can be started either via a pull-start mechanism or an electric starter.
  • EFI: The Generac XT8000EFI benefits from an Electronic Fuel Injection (EFI) system, which enhances its engine's reliability, lowers its fuel consumption, improves its startup, reduces its servicing, boosts its stale fuel resistance, and offers better altitude adaptability.
  • Outlets: The GP8000E and the XT8000EFI both offer 5 AC outlets. They also both feature GFCI outlets. For more detailed information regarding all their respective receptacles, refer to the GP8000E's and the XT8000EFI'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 fitted with a fuel gauge allowing to see their fuel level at a glance.

TL;DR

Generac GP8000EGenerac XT8000EFI
Generac GP8000EGenerac XT8000EFI
  • Higher runtime
  • Lower fuel consumption
  • Lighter
  • Low THD
  • Electronic Fuel Injection
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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