Champion Power Equipment
Champion 100302
—
Best Portable Generators · head-to-head
Champion 100302 vs Generac GP3000i
A sourced, side-by-side comparison. Generac GP3000i is cheaper at $799. Every spec and price links to its source.
Generac
Generac GP3000i
$799
Which is better: the Champion 100302 or Generac GP3000i?
The Generac GP3000i wins 1 of the 1 specs we compare head to head; the other wins 0.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Champion 100302 |  Generac GP3000i |
|---|---|---|
| US price | — | $799 |
| Brand | Champion Power Equipment | Generac |
| Released | — | — |
| Type | inverter | inverter |
| Running watts | 3500 | 2300 |
| Peak watts | 4000 | 3000 |
| Fuel | gas | gas |
| Runtime hours | 17 | 5.8 |
| Noise (dBA) | 64 | — |
| Weight (lb) | 81.6 | 59.5 |
| Outlets | 1×TT-30R (RV), 2×120V 20A (5-20R), 1×12V DC | 1×120V 20A duplex (5-20R), 1×120V 30A (L5-30R), 2×5V USB |
| Release year | — | — |
Sources — Champion 100302: norwall.com (verified 2026-06-19). Generac GP3000i: generatorbible.com (verified 2026-06-19).
What's the difference between the Champion 100302 and Generac GP3000i?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Running watts: Champion 100302 3500 vs Generac GP3000i 2300
- Peak watts: Champion 100302 4000 vs Generac GP3000i 3000
- Runtime hours: Champion 100302 17 vs Generac GP3000i 5.8
- Weight (lb): Champion 100302 81.6 vs Generac GP3000i 59.5
- Outlets: Champion 100302 1×TT-30R (RV), 2×120V 20A (5-20R), 1×12V DC vs Generac GP3000i 1×120V 20A duplex (5-20R), 1×120V 30A (L5-30R), 2×5V USB
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Champion 100302
No sourced tester review yet.
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.)
Praised: Reliable pull-start, even after months of storage (3-4 pulls); Quiet operation and clean power safe for sensitive electronics; Portable for one person; ran a chest freezer through a multi-day outage.
Flagged: Underpowered for home backup; Cumbersome to carry with a full tank; Pull-start only, more labor-intensive than electric ignition.