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Comparison table

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Decision factor
Generac GP18000EFI COsense 50ST

Generac

GP18000EFI COsense 50ST

59 fit59 class
Decision scores
Balanced decision scoreBased on your selected decision lens61/100
Starter fit scorePower, budget, fuel, portability, and noise59/100 · Possible fit
Class scorePerformance within a similar product class59/100 · Competitive in its class
Power
Running outputContinuous power18,000 W
Peak outputShort startup surge22,500 W
Portability & comfort
WeightLower is easier to move442.8 lb
NoiseLower is quieter; distance and load matterNot listed
Buying intelligence
Best listed priceCurrent ranked offer; delivered total may differ$4,399 · Generac
Verified sellersExact-model destinations currently compared1 seller
Offer confidencePrice, freshness, stock, shipping, and terms55/100 · rank 57/100
Delivered totalListed price plus known shippingNot confirmed
Running watts per dollarUses the best currently listed price4.09 W/$
Evidence & safety
Data coverageCore comparison fields documented80% documented
Evidence gapsMissing fields are exposed, never scored as zerosound level
Recall screenExact-model text match in the current CPSC snapshotNo exact-model match in current screen
Data checkedCatalog verification dateSep 15, 2026
Product basics
Fuel / energySupported power sourceGasoline
Product classComparison cohorthigh output portable generators
Best forPrimary use casesHigh-demand home backup & Large tools and equipment

“Best available” marks the strongest documented numeric value in this comparison. Ties are marked together; missing values do not win or lose.

Recall screening is not a safety certification. Confirm current specifications, notices, price, installation, and safe-use requirements with the manufacturer and seller.