Generac iQ5200 vs GenMax GM3500iAED
What is the difference?
The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak. The GenMax GM3500iAED has 3.2 kW of running power, 3.5 kW peak.
Both are dual-fuel.
The Generac iQ5200 has a 3.2 gal tank, the GenMax GM3500iAED has a 1.7 gal tank.
The Generac iQ5200 weighs 111 lb, the GenMax GM3500iAED weighs 56 lb. The GenMax GM3500iAED is easier to carry.
Specs side by side
| Generac iQ5200 | GenMax GM3500iAED | |
|---|---|---|
| Running W | 3900 | 3200 |
| Peak W | 5200 | 3500 |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | 3.2 | 1.7 |
| Run time @50 % (h) | 9 | — |
| Noise (dB) | — | — |
| CO shutoff | yes | yes |
| Weight (lb) | 111 | 56 |
| Warranty (yr) | — | — |
| 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 GenMax GM3500iAED?
The Generac iQ5200. More running watts: 3900 W vs 3200 W.
Which is lighter, Generac iQ5200 or GenMax GM3500iAED?
The GenMax GM3500iAED. Lighter: 56 lb vs 111 lb.
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Compare other models → · All Generac models · All GenMax models