Champion 5500-Watt Dual Fuel vs GenMax GM5500i
What is the difference?
The Champion 5500-Watt Dual Fuel has 5.5 kW of running power, 6.88 kW peak. The GenMax GM5500i has 5 kW of running power, 5.5 kW peak.
The Champion 5500-Watt Dual Fuel is dual-fuel, the GenMax GM5500i runs on gasoline.
The Champion 5500-Watt Dual Fuel runs 11 h at half load, the GenMax GM5500i runs 8.5 h at half load. The Champion 5500-Watt Dual Fuel runs longer on a tank.
The Champion 5500-Watt Dual Fuel has a 7.7 gal tank, the GenMax GM5500i has a 3.6 gal tank.
Specs side by side
| Champion 5500-Watt Dual Fuel | GenMax GM5500i | |
|---|---|---|
| Running W | 5500 | 5000 |
| Peak W | 6875 | 5500 |
| Fuel | dual-fuel | gasoline |
| Tank (gal) | 7.7 | 3.6 |
| Run time @50 % (h) | 11 | 8.5 |
| Noise (dB) | 74 | — |
| CO shutoff | yes | — |
| Weight (lb) | 170 | — |
| Warranty (yr) | 3 | — |
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Specs as read from manufacturer pages on 2026-10-25 / 2026-11-03. 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, Champion 5500-Watt Dual Fuel or GenMax GM5500i?
The Champion 5500-Watt Dual Fuel. More running watts: 5500 W vs 5000 W.
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Compare other models → · All Champion models · All GenMax models