The Champion 4000W Dual Fuel Inverter is the better inverter generator overall, rated 3.3 to 2.7. The Champion 4000W Dual Fuel Inverter leads on value, fuel options and run time. The Champion 4000W Dual Fuel Inverter costs $1,680 less ($719 vs $2,399).
A compact dual-fuel inverter for small RVs and basic home backup at a low price per watt. It can just about run a small RV air conditioner, but don’t expect much else alongside it.
Amazon $719For RV owners who want a quiet, carry-able Honda that can start a rooftop air conditioner on its own. Shoppers who may want to parallel later should look elsewhere.
Amazon $2,799 Amazon (50-state EU3200IAC) $2,899 Camping World $2,399Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every mid-size inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Champion 4000W Dual Fuel Inverter | Honda EU3200i |
|---|---|---|
| Overall rating | 3.3/5 | 2.7/5 |
| Value 30% | 78 $0.24 per running watt | 0 $0.92 per running watt |
| Quiet 20% | 12 64 dBA at light load, maker rating | 75 54 dBA at light load, maker rating |
| Run time 15% | 33 10 hours on a tank at 25% load | 22 8.6 hours on a tank at 25% load |
| Fuel options 10% | 70 gasoline or propane | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
| Starting 5% | 0 pull start only | 0 pull start only |
| Champion 4000W Dual Fuel Inverter | Honda EU3200i | |
|---|---|---|
| Output | ||
| Gasoline | 3,000 W running, 4,000 W starting | 2,600 W running, 3,200 W starting |
| Propane | 2,700 W running, 4,000 W starting | - |
| Outlets | 2 × 120 V, TT-30 (RV) | 2 × 120 V, L5-30 |
| Parallel capable | Yes | No |
| Total harmonic distortion | under 3% | - |
| Price per watt | $0.24 | $0.92 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 1.5 gal | 1.2 gal |
| Run time (gasoline) | 10 hr at 25% load | 8.6 hr at 25% load |
| Run time (propane, 20 lb tank) | 25 hr | - |
| Engine | 149 cc | 130 cc |
| Noise and safety | ||
| Rated noise (light load) | 64 dBA | 54 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | - | Yes |
| Build | ||
| Starting | Recoil (pull) | Recoil (pull) |
| App | No | Yes |
| Wheels | No | No |
| Dimensions | 17.9 x 11.7 x 19.7 in | 22.5 x 12.0 x 17.8 in |
| Weight | 51.8 lb | 59.1 lb |
| Warranty | 3 years | 3 years |
| Released | - | 2022-06 |
