Generac iQ5200 vs WEN 56400iX
What is the difference?
The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak. The WEN 56400iX has 3.2 kW of running power, 4 kW peak.
The Generac iQ5200 is dual-fuel, the WEN 56400iX runs on gasoline.
The Generac iQ5200 runs 9 h at half load, the WEN 56400iX runs 8.5 h at half load. The Generac iQ5200 runs longer on a tank.
The Generac iQ5200 has a 3.2 gal tank, the WEN 56400iX has a 2.2 gal tank.
Specs side by side
| Generac iQ5200 | WEN 56400iX | |
|---|---|---|
| Running W | 3900 | 3200 |
| Peak W | 5200 | 4000 |
| Fuel | dual-fuel | gasoline |
| Tank (gal) | 3.2 | 2.2 |
| Run time @50 % (h) | 9 | 8.5 |
| Noise (dB) | — | 57 |
| CO shutoff | yes | yes |
| Weight (lb) | 111 | — |
| Warranty (yr) | — | 3 |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-25 / 2026-10-31. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, Generac iQ5200 or WEN 56400iX?
The Generac iQ5200. More running watts: 3900 W vs 3200 W.
More comparisons
- Generac iQ5200 vs WEN GN5602X
- Generac iQ5200 vs WEN DF480iX
- Generac iQ5200 vs WEN DF475T
- Generac iQ5200 vs Anker SOLIX Smart Generator 5500
- WEN 56400iX vs Anker SOLIX Smart Generator 5500
- WEN 56400iX vs Pulsar GD400BN
- WEN 56400iX vs Honda EU3200i
- WEN 56400iX vs Champion 5500-Watt Dual Fuel Inverter
Compare other models → · All Generac models · All WEN models

