Predator 3500 Super Quiet
#12 in Mid-sizeFull review
A low-cost way to run a 30 A camper with one air conditioner, with electric start and CO shutoff. Expect to buy an extended warranty if you want long-term cover.
Harbor Freight $799.99$799.99
The Predator 3500 Super Quiet rates 3.3 among mid-size inverter generators; the Predator 2500 Super Quiet rates 3.2 among small ones. The Predator 2500 Super Quiet costs $200 less ($599.99 vs $799.99).
Predator 2500 Super Quiet
#10 in SmallFull review
A cheap, light camping and tailgating inverter with CO shutoff. The short warranty is the trade-off for the low price.
Harbor Freight $599.99$599.99
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.
Scores side by side
These two sit in different size classes (mid-size and small), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Predator 3500 Super Quiet | Predator 2500 Super Quiet |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Value 30% | 71 $0.27 per running watt | 75 $0.30 per running watt |
| Quiet 20% | 56 57 dBA at light load, maker rating | 29 58 dBA at light load, maker rating |
| Run time 15% | 42 11 hours on a tank at 25% load | 62 10.2 hours on a tank at 25% load |
| Fuel options 10% | 0 gasoline only | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 0 0.2-year warranty | 0 0.2-year warranty |
| Starting 5% | 80 push-button electric start | 0 pull start only |
Specifications
| Predator 3500 Super Quiet | Predator 2500 Super Quiet | |
|---|---|---|
| Output | ||
| Gasoline | 3,000 W running, 3,500 W starting | 2,000 W running, 2,500 W starting |
| Outlets | 2 × 120 V, L5-30 | 2 × 120 V, USB |
| Parallel capable | Yes | Yes |
| Price per watt | $0.27 | $0.30 |
| Fuel and run time | ||
| Fuel | Gasoline | Gasoline |
| Tank | 2.3 gal | 1.4 gal |
| Run time (gasoline) | 11 hr at 25% load | 10.2 hr at 25% load |
| Engine | 212 cc | 98 cc |
| Noise and safety | ||
| Rated noise (light load) | 57 dBA | 58 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Electric and recoil | Recoil (pull) |
| App | No | No |
| Wheels | Yes | No |
| Dimensions | 22.75 x 17.3 x 20 in | 20.375 x 11.625 x 19.125 in |
| Weight | 102 lb | 46 lb |
| Warranty | 0.2 years | 0.2 years |