Champion 6500W Tri Fuel Inverter
#4 in LargeFull review
A mid-size home-backup inverter for people with a natural gas line or a transfer switch who want unattended starting. It also covers a 30 A RV.
Amazon $1,299$1,299
The Champion 6500W Tri Fuel Inverter is the better inverter generator overall, rated 4.0 to 3.3. The Champion 6500W Tri Fuel Inverter leads on value, fuel options and run time. The Champion 6500W Tri Fuel Inverter costs $3,600 less ($1,299 vs $4,899).
Honda EU7000iS
#10 in LargeFull review
For homeowners who want a quiet, fuel-injected 240V Honda for backup power and will pay a large premium for it. Cheaper dual-fuel inverters offer more watts for the money.
Amazon $4,899 Amazon (50-state EU7000ISNAC) $4,999$4,899
Prices 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.
Which should you buy?
- Choose the Champion 6500W Tri Fuel Inverter for value ($0.25 per running watt vs $0.89 per running watt), fuel options (gasoline, propane or natural gas vs gasoline only) and run time (18 hours on a tank at 25% load vs 16 hours on a tank at 25% load).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Champion 6500W Tri Fuel Inverter | Honda EU7000iS |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 30% | 66 $0.25 per running watt | 0 $0.89 per running watt |
| Quiet 20% | 50 64 dBA at light load, maker rating | 100 52 dBA at light load, maker rating |
| Run time 15% | 86 18 hours on a tank at 25% load | 71 16 hours on a tank at 25% load |
| Fuel options 10% | 100 gasoline, propane or natural gas | 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% | 100 electric start with a remote fob or app | 100 electric start with a remote fob or app |
Specifications
| Champion 6500W Tri Fuel Inverter | Honda EU7000iS | |
|---|---|---|
| Output | ||
| Gasoline | 5,250 W running, 6,500 W starting | 5,500 W running, 7,000 W starting |
| Propane | 4,725 W running, 6,500 W starting | - |
| Natural gas | 4,253 W running | - |
| Outlets | 4 × 120 V, TT-30 (RV), L14-30 | 4 × 120 V, L5-30, L14-30 |
| Parallel capable | No | Yes |
| Total harmonic distortion | under 3% | - |
| Price per watt | $0.25 | $0.89 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline |
| Tank | 4.5 gal | 5.1 gal |
| Run time (gasoline) | 18 hr at 25% load | 16 hr at 25% load |
| Run time (propane, 20 lb tank) | 16 hr | - |
| Engine | 224 cc | 389 cc |
| Noise and safety | ||
| Rated noise (light load) | 64 dBA | 52 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | - | Yes |
| Build | ||
| Starting | Remote, electric and recoil | Remote, electric and recoil |
| App | No | Yes |
| Wheels | Yes | Yes |
| Dimensions | 25.2 x 20.5 x 22.6 in | 33.4 x 27.6 x 28.4 in |
| Weight | 123.5 lb | 263.2 lb |
| Warranty | 3 years | 3 years |