Cost to Charge a Honda Prologue in Illinois

$19.94 for a full charge at 19.89¢/kWh — $6.78 per 100 miles, about $814 a year.

Honda Prologue in Illinois

$19.94 for a full charge

Per 100 miles: $6.78
Per mile: $0.07
Per year: $814
vs petrol / yr: $820

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a Honda Prologue
Item	Energy	Cost
This charge	100.3 kWh	$19.94
Full charge (0–100%)	100.3 kWh	$19.94
Per 100 miles	34.1 kWh	$6.78
Per year (12,000 mi)	4092.0 kWh	$814
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$820

What charging actually costs here

Filling a Honda Prologue from empty in Illinois costs $19.94. The car draws 100.3 kWh from the wall for a full 294-mile charge, and Illinois residential electricity averages 19.89¢ per kWh. That works out at $6.78 per 100 miles, or $0.07 a mile.

Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 2.0× cheaper per mile: $6.78 versus $13.62 per 100 miles. Over 12,000 miles a year that is $820 saved.

Similar EVs in Illinois

Charging cost of comparable EVs in Illinois
Vehicle	Per 100 mi	Full charge	Per year
Cadillac Optiq	34 kWh	$20.49	$812
Mercedes-Benz EQS	34 kWh	$26.37	$812
Nissan Ariya	34.4 kWh	$19.77	$821
Mini Cooper SE	34.6 kWh	$14.86	$826
Porsche Macan Electric	34.6 kWh	$21.27	$826
Polestar 2	33.5 kWh	$18.52	$800

The same car in nearby-priced states

Charging a Honda Prologue in states with similar electricity prices
State	¢/kWh	Full charge	Per year
Ohio	19.19	$19.24	$785
Delaware	19.29	$19.34	$789
Wisconsin	19.56	$19.61	$800
Pennsylvania	21.73	$21.79	$889
Maryland	21.84	$21.90	$894
Michigan	22.99	$23.05	$941

Frequently asked questions

How much does it cost to charge a Honda Prologue in Illinois?

$19.94 for a full charge from empty. The car needs 100.3 kWh at the wall and Illinois residential electricity averages 19.89¢ per kWh.

How much does a Honda Prologue cost per mile in Illinois?

About $0.07 a mile, or $6.78 per 100 miles. Over 12,000 miles a year that is roughly $814 of electricity.

Is charging a Honda Prologue cheaper than petrol in Illinois?

Yes — 2.0 times cheaper per mile. Electricity costs $6.78 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $820 a year.

How long does a full charge last?

The EPA rates the Honda Prologue at 294 miles combined. Cold weather, motorway speeds and a loaded car all reduce that; the EPA number is a standardised test, not a guarantee.

Does this include charging losses?

Yes. The EPA's 34.1 kWh/100 mi figure is measured at the wall socket, so the energy lost in the charger and cabling is already in the number. No extra efficiency factor is applied.

Vehicle data: EPA fueleconomy.gov, model years 2025-2027. Electricity: EIA Electric Power Monthly Table 5.6.A, residential, June 2026. Petrol: EIA weekly retail gasoline price, 24 August 2026.

Estimates for informational purposes only. Real charging cost depends on your tariff, time of use, charger efficiency, temperature, driving style and state of charge. EPA figures are a standardised test result, not a promise about your car.