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
- Westinghouse WGen5300cv
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 | Westinghouse WGen5300cv |
|---|---|---|
| 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: 5300 W |
| Starting watts | 2500 W | Winner: Winner: 6600 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 68 dB |
| Weight | Winner: Winner: 48 lbs | 133.6 lbs |
| Run time @50% load | 4.5 h | Winner: Winner: 11 h |
| Run time @25% load | 8 h | 14.5 h |
| Fuel tank | 1 gal | 4.7 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 19.7 x 11.4 x 17.9 | 23.2 x 20.1 x 19.1 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | ≤ 23% % |
| Engine | ||
| Engine | 98 cc OHV 4-stroke | 274 cc OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2200 W | 5300 W |
| Starting watts | 2500 W | 6600 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 | 11 h |
| Run time @25% load | 8 h | 14.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 696471003946 | 850011336700 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2200 | 5300 |
| Starting Watts (Gasoline) | 2500 | 6600 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 11 |
| Runtime @ 25% Load (Gasoline) | 8 | 14.5 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 98 cc OHV 4-stroke | OHV 4-stroke. |
| Engine Displacement | 98 | 274 |
| Cylinder Sleeve | Not available | Cast iron sleeve. |
| Engine Oil Type | 10W-30 | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 8 | 14.5 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 11 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil | Not available |
| Included Accessories | Oil, funnel, tool kit, and battery charging cables | Oil, funnel, tool kit, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| 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 Westinghouse WGen5300cv is a gasoline-powered generator with a rated wattage of 5300 watts and a peak wattage of 6600 watts. It is designed for portable use with features suitable for home backup and RV applications. |
- Most PowerfulWestinghouse WGen5300cv5300W running
- QuietestWestinghouse WGen5300cv68 dB
- Longest RuntimeWestinghouse WGen5300cv11h at 50% load
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Generac #8251 GP2500i
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Westinghouse WGen5300cv
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