Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Generac #8251 GP2500i
- WEN GN5602X
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Generac #8251 GP2500i | WEN GN5602X |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | No | Yes |
| Running watts | 2200 W | Winner: Winner: 4500 W |
| Starting watts | 2500 W | Winner: Winner: 5600 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | Winner: Winner: 48 lbs | 111.3 lbs |
| Run time @50% load | 4.5 h | Winner: Winner: 12.5 h |
| Run time @25% load | 8 h | Not available |
| Fuel tank | 1 gal | 4.36 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 19.7 x 11.4 x 17.9 | 22.8 x 23.6 x 23 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 98 cc OHV 4-stroke | 224 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2200 W | 4500 W |
| Starting watts | 2500 W | 5600 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 4.5 h | 12.5 h |
| Run time @25% load | 8 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 696471003946 | 44459955009 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2200 | 4500 |
| Starting Watts (Gasoline) | 2500 | 5600 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 12.5 |
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | 1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 98 cc OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 98 | 224 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| Runtime @ 50% Load (Gasoline) | 4.5 | 12.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil | Not available |
| Included Accessories | Oil, funnel, tool kit, and battery charging cables | Funnel, tool kit, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | 82512 | Not available |
| Additional specs | ||
| Summary | The Generac GP2500i is a 2200-watt inverter generator built for portable backup power and recreational use. At 48 pounds, it moves easily between campsites, job sites, and emergency situations. The inverter technology means laptops, phones, and sensitive tools run safely because the power output stays stable. This unit runs on gasoline and delivers 2500 starting watts, so it can handle the initial surge when motors kick on. | The WEN GN5602X is a 5,600-watt portable generator featuring electric start, a 224cc engine, and a CO shutdown sensor, designed for both RV and transfer-switch readiness. |
- Most PowerfulWEN GN5602X4500W running
- QuietestdB
- Longest RuntimeWEN GN5602X12.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #8251 GP2500i
Store links
No links yet.
WEN GN5602X
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.