Champion 11500-Watt Tri Fuel vs Generac XT8500EFI
What is the difference?
The Champion 11500-Watt Tri Fuel has 9.2 kW of running power, 11.5 kW peak. The Generac XT8500EFI has 8.5 kW of running power, 10 kW peak.
The Champion 11500-Watt Tri Fuel is tri-fuel, the Generac XT8500EFI runs on gasoline.
The Champion 11500-Watt Tri Fuel runs 10 h at half load, the Generac XT8500EFI runs 9 h at half load. The Champion 11500-Watt Tri Fuel runs longer on a tank.
The Champion 11500-Watt Tri Fuel has a 8.5 gal tank, the Generac XT8500EFI has a 8 gal tank.
The Champion 11500-Watt Tri Fuel weighs 216 lb, the Generac XT8500EFI weighs 214 lb.
Both have a 3-year warranty.
Both have 120/240 V AC output.
Specs side by side
| Champion 11500-Watt Tri Fuel | Generac XT8500EFI | |
|---|---|---|
| Running W | 9200 | 8500 |
| Peak W | 11500 | 10000 |
| Fuel | tri-fuel | gasoline |
| Tank (gal) | 8.5 | 8 |
| Run time @50 % (h) | 10 | 9 |
| Noise (dB) | 74 | — |
| CO shutoff | yes | yes |
| Weight (lb) | 216 | 214 |
| Warranty (yr) | 3 | 3 |
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Specs as read from manufacturer pages on 2026-10-26 / 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, Champion 11500-Watt Tri Fuel or Generac XT8500EFI?
The Champion 11500-Watt Tri Fuel. More running watts: 9200 W vs 8500 W.
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Compare other models → · All Champion models · All Generac models