Best Portable Generators · head-to-head

Westinghouse iGen4500 vs Predator 3500 (Item 71358)

A sourced, side-by-side comparison. Predator 3500 (Item 71358) is cheaper at $799.99. Every spec and price links to its source.

Which is better: the Westinghouse iGen4500 or Predator 3500 (Item 71358)?

The Predator 3500 (Item 71358) wins 1 of the 1 specs we compare head to head; the other wins 0. The Predator 3500 (Item 71358) is the cheaper at $799.99. The Predator 3500 (Item 71358) both leads on specs and costs less — the straightforward pick.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Westinghouse iGen4500 Predator 3500 (Item 71358)
US price $999 $799.99
BrandWestinghousePredator (Harbor Freight)
Released
Type inverter inverter
Running watts 3700 3000
Peak watts 4500 3500
Fuel gas gas
Runtime hours 18 11
Noise dba 52 56
Weight (lb) 127.6 102
Outlets 1×TT-30R (RV), 2×120V 20A (5-20R), 2×USB 2×120V 20A (5-20R), 1×120V 30A (L5-30R), 1×12V DC, 1×5V USB
Release year

Sources — Westinghouse iGen4500: webstaurantstore.com (verified 2026-06-19). Predator 3500 (Item 71358): harborfreight.com (verified 2026-06-19).

What's the difference between the Westinghouse iGen4500 and Predator 3500 (Item 71358)?

Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.

  • Running watts: Westinghouse iGen4500 3700 vs Predator 3500 (Item 71358) 3000
  • Peak watts: Westinghouse iGen4500 4500 vs Predator 3500 (Item 71358) 3500
  • Runtime hours: Westinghouse iGen4500 18 vs Predator 3500 (Item 71358) 11
  • Noise dba: Westinghouse iGen4500 52 vs Predator 3500 (Item 71358) 56
  • Weight (lb): Westinghouse iGen4500 127.6 vs Predator 3500 (Item 71358) 102
  • Outlets: Westinghouse iGen4500 1×TT-30R (RV), 2×120V 20A (5-20R), 2×USB vs Predator 3500 (Item 71358) 2×120V 20A (5-20R), 1×120V 30A (L5-30R), 1×12V DC, 1×5V USB

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

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.)

Praised: Exceptionally quiet 52 dB operation, standout even among inverter generators; Long runtime and strong fuel efficiency for a 30-amp RV; Rich feature set: dual-fuel, electric/remote start, CO detection, parallel-capable.

Flagged: No 240V outlet; Premium price, no sub-$1000 option among these picks.

Predator 3500 (Item 71358)

No sourced tester review yet.

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