# Westinghouse iGen4500 vs Generac GP3000i: specs and price compared

A sourced, side-by-side comparison of the Westinghouse iGen4500 (Westinghouse) and Generac GP3000i (Generac) among portable generators. Generac GP3000i is the cheaper of the two at $799.

## Side by side

| Spec | Westinghouse iGen4500 | Generac GP3000i |
| --- | --- | --- |
| US price | $999 | $799 |
| Brand | Westinghouse | Generac |
| Type | inverter | inverter |
| Running watts | 3700 | 2300 |
| Peak watts | 4500 | 3000 |
| Fuel | gas | gas |
| Runtime hours | 18 | 5.8 |
| Noise dba | 52 | — |
| Weight (lb) | 127.6 | 59.5 |
| Outlets | 1×TT-30R (RV), 2×120V 20A (5-20R), 2×USB | 1×120V 20A duplex (5-20R), 1×120V 30A (L5-30R), 2×5V USB |

## Key differences

- Running watts: Westinghouse iGen4500 3700 vs Generac GP3000i 2300
- Peak watts: Westinghouse iGen4500 4500 vs Generac GP3000i 3000
- Runtime hours: Westinghouse iGen4500 18 vs Generac GP3000i 5.8
- Weight (lb): Westinghouse iGen4500 127.6 vs Generac GP3000i 59.5
- Outlets: Westinghouse iGen4500 1×TT-30R (RV), 2×120V 20A (5-20R), 2×USB vs Generac GP3000i 1×120V 20A duplex (5-20R), 1×120V 30A (L5-30R), 2×5V USB

## What reviewers say

**Westinghouse iGen4500** — Only one whitelisted tester covers this generator: Pro Tool Reviews names the Westinghouse iGen4500 (in its iGen4500DFc dual-fuel trim) its best inverter generator for 30-amp RVs, praising exceptionally quiet 52 dB operation, long runtime, strong fuel efficiency and a rich feature set. This is a buying-guide pick within a roundup, not an independent lab test, and the noise/runtime figures are the manufacturer-spec numbers cited in the guide. (1 sourced review.)

**Generac GP3000i** — Only one whitelisted tester, Outdoor Life, published genuine hands-on prose on the Generac GP3000i, naming it 'Best for RV Camping' in its 2026 inverter-generator roundup. The reviewer field-used the unit during a real multi-day outage, praising quiet operation, reliable pull-starting after long storage, and clean power safe for sensitive electronics, but flagged it as underpowered for home backup and cumbersome to carry with a full tank. All figures cited are manufacturer specs, not independent lab measurements. (1 sourced review.)

## Sources

- Westinghouse iGen4500: https://www.webstaurantstore.com/igen4500w-super-quiet-port-invert-gen/010IGEN4500.html (webstaurantstore.com, verified 2026-06-19)
- Generac GP3000i: https://generatorbible.com/generators/generac/7129-gp3000i/ (generatorbible.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/portable-generators/westinghouse-igen4500-vs-generac-gp3000i/
Cite: Per The Front Desk Review, Westinghouse iGen4500 ($999) vs Generac GP3000i ($799) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-generators/westinghouse-igen4500-vs-generac-gp3000i/
License: CC BY 4.0.