Cost to Charge a BMW i4 in Illinois

$15.38 for a full charge at 19.89¢/kWh — $6.13 per 100 miles, about $735 a year.

BMW i4 in Illinois

$15.38 for a full charge

Per 100 miles: $6.13
Per mile: $0.06
Per year: $735
vs petrol / yr: $899

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a BMW i4
Item	Energy	Cost
This charge	77.3 kWh	$15.38
Full charge (0–100%)	77.3 kWh	$15.38
Per 100 miles	30.8 kWh	$6.13
Per year (12,000 mi)	3696.0 kWh	$735
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$899

What charging actually costs here

Filling a BMW i4 from empty in Illinois costs $15.38. The car draws 77.3 kWh from the wall for a full 251-mile charge, and Illinois residential electricity averages 19.89¢ per kWh. That works out at $6.13 per 100 miles, or $0.06 a mile.

Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 2.2× cheaper per mile: $6.13 versus $13.62 per 100 miles. Over 12,000 miles a year that is $899 saved.

Similar EVs in Illinois

Charging cost of comparable EVs in Illinois
Vehicle	Per 100 mi	Full charge	Per year
Genesis GV60	30.6 kWh	$18.62	$730
Lucid Gravity	31.1 kWh	$27.84	$742
Volvo EX30	31.1 kWh	$15.65	$742
Nissan Leaf	30.4 kWh	$9.01	$726
Hyundai Ioniq 5	30 kWh	$18.98	$716
Volkswagen ID.4	29.8 kWh	$17.25	$711

The same car in nearby-priced states

Charging a BMW i4 in states with similar electricity prices
State	¢/kWh	Full charge	Per year
Ohio	19.19	$14.84	$709
Delaware	19.29	$14.91	$713
Wisconsin	19.56	$15.12	$723
Pennsylvania	21.73	$16.80	$803
Maryland	21.84	$16.88	$807
Michigan	22.99	$17.77	$850

Frequently asked questions

How much does it cost to charge a BMW i4 in Illinois?

$15.38 for a full charge from empty. The car needs 77.3 kWh at the wall and Illinois residential electricity averages 19.89¢ per kWh.

How much does a BMW i4 cost per mile in Illinois?

About $0.06 a mile, or $6.13 per 100 miles. Over 12,000 miles a year that is roughly $735 of electricity.

Is charging a BMW i4 cheaper than petrol in Illinois?

Yes — 2.2 times cheaper per mile. Electricity costs $6.13 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $899 a year.

How long does a full charge last?

The EPA rates the BMW i4 at 251 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 30.8 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.