StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Compare

Generac iQ3800 Dual Fuel Inverter Generator vs Champion 4500-Watt Dual-Fuel Inverter

Both are dual-fuel inverter generators with CO shutoff and clean power under 3% THD, so either can run a fridge, a portable AC or sensitive electronics. The Generac iQ3800 is the more polished unit: push-button start with auto-choke, a battery included, an LED display for output and gas use, and a quieter fully enclosed case. The Champion 4500 makes more power on gas and propane and runs longer on a smaller tank, and it adds a TT-30R outlet for RV hookups. Owners of the Generac praise quiet running and easy first-time starts; Champion's inverter line is widely regarded as solid value with strong RV support. Pick the Generac for quiet, easy starting at camp or a jobsite; pick the Champion for more watts and an RV outlet.

  • Choose the Generac iQ3800 if you want the easiest start, the quietest run and a display that shows your load and fuel use.
  • Choose the Champion 4500 if you need more running watts, a TT-30R RV outlet and longer runtime between fills.

Prices

  • Generac iQ3800 Dual Fuel Inverter Generator: $849.00 at Blain's Farm & Fleet (checked today)
  • Champion 4500-Watt Dual-Fuel Inverter: $859.00 at eBay (last seen Nov 9)
  • Difference: the Generac iQ3800 Dual Fuel Inverter Generator is $10.00 cheaper than the Champion 4500-Watt Dual-Fuel Inverter at the latest prices (Nov 9 and Nov 10)
Generac
Generac iQ3800 Duel Fuel Inverter Generator

Generac iQ3800 Dual Fuel Inverter Generator

Generac iQ3800 Duel Fuel Inverter Generator

4.3(396 ratings)
$849.00at Blain's Farm & FleetChecked 1 h ago
See all prices and details
Visit Blain's Farm & Fleet

Store links may earn us a commission. Price via Klarna.

Pros
  • Push-button start with auto-choke and included battery
  • COsense shuts the unit down on dangerous carbon monoxide
  • LED display shows load and fuel use
  • Under 3% THD, safe for electronics
  • Quiet, fully enclosed design
Cons
  • Lower running watts than the Champion
  • Heavier at 107 lb
  • No 30 A RV outlet
  • No fuel gauge on the propane tank
Champion
Champion 4500-Watt Dual-Fuel Inverter

Champion 4500-Watt Dual-Fuel Inverter

$859.00at eBayChecked Nov 9
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • More running and starting watts on both fuels
  • TT-30R outlet suits RV owners
  • Long runtime on a small 2.3-gallon tank
  • CO Shield auto shutoff and low-oil shutdown
  • Parallel-capable for more power
Cons
  • No output or fuel-use display
  • 61 dBA is louder than the Generac's enclosed case
  • No USB ports
  • Fewer household outlets

What separates them

Generac iQ3800 Dual Fuel Inverter GeneratorChampion 4500-Watt Dual-Fuel Inverter
Running watts (gas)3000 W3500 W (3650 W listed)
Running watts (propane)2700 W3285 W
StartingElectric push-button with auto-choke, battery includedElectric and recoil
Runtime at 25% load20 hours on gas22 hours on gas
NoiseFully enclosed case, marketed as quiet61 dBA rated
Outlets5 household 120 V outlets plus USB4 outlets including a TT-30R 30 A RV receptacle
Load displayLED shows power output and gas consumptionNo output display
Weight and portability107 lb, handle and never-flat wheelsLighter, built-in wheels and handle

Price history

$944.99$749.00
Nov 3Nov 11
  • Generac iQ3800 Dual Fuel Inverter Generator: lowest $849.00 on Nov 3 at Walmart; $849.00 on Nov 11.
  • Champion 4500-Watt Dual-Fuel Inverter: lowest $749.00 on Nov 11 at Walmart.

Prices at every store

Generac iQ3800 Dual Fuel Inverter Generator

  • Blain's Farm & FleetNew

    In stock

    $849.00Checked 1 h ago
    Visit Blain's Farm & Fleet
  • Lowe'sNew

    In stock

    $849.00Free shippingChecked 1 h ago
    Visit Lowe's
  • FactoryPureNew

    In stock

    $928.00Free shippingChecked Nov 9
    Visit FactoryPure
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $849.00Free shippingChecked 2 h ago
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart
  • Renewable OutdoorsCheck price at Renewable Outdoors

Store links may earn us a commission. Some prices via Klarna.

All 22 stores and price history →

Champion 4500-Watt Dual-Fuel Inverter

  • Lowe'sNew

    In stock

    $999.00Free shippingChecked 1 h ago
    Visit Lowe's
  • eBayNew

    Availability unknownSold by supergen_products (100% positive, 7,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $859.00Free shippingChecked Nov 9
    Visit eBay
  • C-A-L Ranch StoresNew

    Availability unknown

    $944.99Free shippingChecked 1 h ago
    Visit C-A-L Ranch Stores
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $999.00Free shippingChecked 1 h ago
    Visit Amazon

Store links may earn us a commission. Some prices via Klarna.

All 12 stores and price history →

Specs compared

SpecGenerac iQ3800 Dual Fuel Inverter GeneratorChampion 4500-Watt Dual-Fuel Inverter
Fuel Tank Capacity3.28 (12.4)4.02-gallon
Engine Displacement212cc224cc
Starting MethodElectric Start / Recoil Pull StartRecoil, Electric
Weight107roughly with built-in wheels and handle
CO SensorYes (COsense® Technology)Yes (CO Shield®)
Low Oil ShutdownYesYes, Low oil shut-off sensor
Automatic Shut OffSTOPS (COsense® Technology)Yes (Carbon Monoxide auto shutoff system)
Fuel TypeDual Fuel, GasolineGasoline, Dual Fuel
Fuel Capacity3.2 gal2.3-gallon (gasoline tank)
Fuel GaugeYes (for the gasoline tank), No (for propane)Mechanical
Continuous Output3000 W3500 running watts (gasoline)
Power Output3800 W (Starting Watts)4500 Watt
Show all 40 specsShow fewer specs
SpecGenerac iQ3800 Dual Fuel Inverter GeneratorChampion 4500-Watt Dual-Fuel Inverter
Voltage120-volt120V
Peak Output3800 W4500 starting watts (propane)
EfficiencyReduces fuel consumption (when Economy Switch i…Clean Power (less than 3% THD)
Frequency60Hz (target)60Hz
Height22.4 in20.1 in
Width20.3 in17.8 in
Connectivity PortsUSB PortsParallel
Number Of Outlets5 (120-volt outlets)4
Receptacle TypeTwist lock (120V, 30-amp)TT-30R, 5-20R

What reviewers say

Generac iQ3800 Dual Fuel Inverter Generator

  • 4.3 / 5396 ratings

Owners of Generac inverter generators generally praise the quiet inverter output and the dual-fuel flexibility, and the CO shutdown is seen as a real safety plus. Complaints tend to center on weight and on the lower output when running on propane.

What people mention
  • WeightCriticisedOwners say 107 lb makes it a two-person lift and awkward to move without wheels.
  • Dual fuelPraisedBuyers like having propane as a fallback when gasoline runs out or is hard to store.
  • Power qualityPraisedUnder 3% THD is cited as safe for laptops, TVs and other sensitive electronics.
  • CO safetyPraisedThe COsense auto shutoff is mentioned as a reassuring feature for indoor-adjacent use.

Champion 4500-Watt Dual-Fuel Inverter

Owners appreciate the dual-fuel flexibility and clean power, often using it for RV trips and home backup. The CO Shield safety feature is frequently praised, though some find the unit heavy and the fuel tank small for extended runs.

What people mention
  • Fuel flexibilityPraisedReviewers like being able to switch between gasoline and propane, especially for longer outages.
  • NoisePraisedMany find it quieter than expected for a generator of this size.
  • WeightCriticisedOwners complain it is heavy and difficult to lift, even with wheels.
  • Fuel tankCriticisedThe small tank means frequent refueling during extended use.

Questions and answers

Which handles a portable AC or RV better?
The Champion. Its higher running watts and TT-30R outlet fit RV use, while the Generac runs a portable AC plus small electronics comfortably but tops out lower.
Which is quieter?
The Generac. Its fully enclosed case is built for quiet running, while the Champion is rated at 61 dBA.
Which is easier to start?
The Generac. Push-button start with auto-choke and a battery included makes cold starts simple; the Champion also has electric start but no auto-choke listed.
Is the Champion worth stepping up to?
Yes if you need more watts, an RV outlet or longer runtime. The Generac is the better pick if quiet operation and an easy start matter more.
Do both protect against carbon monoxide?
Yes. The Generac uses COsense and the Champion uses CO Shield; both shut the generator down when CO builds up.
Can either run sensitive electronics?
Yes. Both are inverter units with total harmonic distortion under 3%, which is safe for laptops, TVs and tools.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

More comparisons

  • 13,000 Watt Dual Fuel Portable HX Generator w/ CO Alert vs Generac iQ3800 Duel Fuel Inverter Generator
  • WEN DF680iX vs Generac iQ3800 Duel Fuel Inverter Generator
  • Westinghouse iGen4500DFc Dual Fuel Inverter Generator vs Generac iQ3800 Duel Fuel Inverter Generator
  • Generac iQ3800 Duel Fuel Inverter Generator vs Pulsar 2200-Watt Dual-Fuel Quiet Inverter Generator
  • DuroMax XP13000HXT 13,000 Watt Electric Start Tri-Fuel Portable Generator w/ CO Alert vs Generac iQ3800 Duel Fuel Inverter Generator
  • Generac iQ3800 Duel Fuel Inverter Generator vs WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
  • Pulsar 12,000W Dual Fuel Portable Generator in Space Gray with Electric Start, G12KBN vs Generac iQ3800 Duel Fuel Inverter Generator
  • Westinghouse 4500 Peak Watt Electric Start Dual Fuel Portable Inverter Generator with RV Outlet vs Generac iQ3800 Duel Fuel Inverter Generator

Buying guides that pick them

  • Best portable electric start propane generators for home backup
  • Best quiet dual fuel inverter generators for home backup
  • Best portable dual fuel generators
  • Best dual fuel inverter generators for home backup and camping
Inverter Technology
Yes
Yes
Running Watts3000 (Gas) / 2700 (LP)—
Starting Watts3800 (Gas) / 3400 (LP)—
Rated AC Voltage120 VAC—
Rated AC Frequency60 Hz—
Run Time at 50% Load13 (Gas) / 16 (LP - 20lb Tank)—
Run Time at 25% Load20 (Gas) / 19 (LP - 20lb Tank)—
Total Harmonic Distortion< 3% (safe for sensitive electronics)—
Battery TypeLead Acid (12V DC, 6 Ah)—
Overload ProtectionHelps you to avoid overloading (via LED display)—
Depth24.6 in—
Wireless ConnectivityWiFi, Mobile Link—
Smart FeaturesIntelligent LED Display—
Dual FuelRuns on Gasoline or Liquid Propane Fuel for you…—
Reliable OHV Engine223cc with splash lubrication provides a long e…—
Quiet OperationFully enclosed case reduces noise levels—
Intelligent LED DisplayClearly and accurately see your power output an…—
USB PortsCharge mobile devices including smartphones and…—
Parallel ReadyConnect two iQ5200 DF inverter generators for t…—