Champion 10,000-Watt Dual Fuel CARB vs Generac GP8000E

Last updated: October 28, 2026

The Champion 10,000-Watt Dual Fuel CARB and the Generac GP8000E are evenly matched, rated 4.0 and 3.9. The Champion 10,000-Watt Dual Fuel CARB leads on fuel options.

Champion 10,000-Watt Dual Fuel CARB vs Generac GP8000E

Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every mid-size portable generator; a clear win is highlighted. How we rank explains each one.

Factor weightChampion 10,000-Watt Dual Fuel CARBGenerac GP8000E
Overall rating4.0/53.9/5
Value 30%50 no current price (neutral score used)80 $0.13 per running watt
Run time 15%60 10 hours on a tank at 50% load60 10 hours on a tank at 50% load
Fuel options 15%70 gasoline or propane0 gasoline only
Home hookup 15%100 240 V outlet for a transfer switch100 240 V outlet for a transfer switch
CO safety 10%100 shuts off when carbon monoxide builds up100 shuts off when carbon monoxide builds up
Warranty 10%67 3-year warranty67 3-year warranty
Starting 5%80 push-button electric start80 push-button electric start

Specifications

Champion 10,000-Watt Dual Fuel CARBGenerac GP8000E
Output
Gasoline8,000 W running, 10,000 W starting8,000 W running, 10,000 W starting
Propane7,200 W running, 9,000 W starting-
Outlets4 × 120 V, L14-30, 14-504 × 120 V, L14-30
Transfer switch readyYes, 240 VYes, 240 V
Full power at 120 VNoNo
Price per watt-$0.13
Fuel and run time
FuelGasoline, propaneGasoline
Tank7.7 gal7.9 gal
Run time (gasoline)10 hr at 50% load10 hr at 50% load
Run time (propane, 20 lb tank)5 hr-
Engine458 cc420 cc
Noise and safety
Rated noise74 dBA-
CO shutoffYesYes
CARB compliantYesNo
Build
StartingElectric and recoilElectric and recoil
WheelsYesYes
Dimensions28.7 x 28.5 x 25.8 in27.2 x 27 x 26.5 in
Weight208 lb198 lb
Warranty3 years3 years
Released2023-122023-12

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