Cost to Charge a Cadillac Optiq in Maryland

$22.50 for a full charge at 21.84¢/kWh — $7.43 per 100 miles, about $891 a year.

Cadillac Optiq in Maryland

$22.50 for a full charge

Per 100 miles: $7.43
Per mile: $0.07
Per year: $891
vs petrol / yr: $743

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a Cadillac Optiq
Item	Energy	Cost
This charge	103.0 kWh	$22.50
Full charge (0–100%)	103.0 kWh	$22.50
Per 100 miles	34.0 kWh	$7.43
Per year (12,000 mi)	4080.0 kWh	$891
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$743

What charging actually costs here

Filling a Cadillac Optiq from empty in Maryland costs $22.50. The car draws 103.0 kWh from the wall for a full 303-mile charge, and Maryland residential electricity averages 21.84¢ per kWh. That works out at $7.43 per 100 miles, or $0.07 a mile.

Maryland is more expensive than average: 21.84¢ against a national mean of 19.42¢, which ranks it 38 of 51 for electricity price. The same car costs $13.51 to fill in Nevada and $54.31 in Hawaii — a 4.0× spread across the country for identical driving.

Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 1.8× cheaper per mile: $7.43 versus $13.62 per 100 miles. Over 12,000 miles a year that is $743 saved.

Similar EVs in Maryland

Charging cost of comparable EVs in Maryland
Vehicle	Per 100 mi	Full charge	Per year
Mercedes-Benz EQS	34 kWh	$28.96	$891
Honda Prologue	34.1 kWh	$21.90	$894
Nissan Ariya	34.4 kWh	$21.71	$902
Polestar 2	33.5 kWh	$20.34	$878
Mini Cooper SE	34.6 kWh	$16.32	$907
Porsche Macan Electric	34.6 kWh	$23.35	$907

The same car in nearby-priced states

Charging a Cadillac Optiq in states with similar electricity prices
State	¢/kWh	Full charge	Per year
Wisconsin	19.56	$20.15	$798
Illinois	19.89	$20.49	$812
Pennsylvania	21.73	$22.39	$887
Michigan	22.99	$23.68	$938
Connecticut	24.32	$25.05	$992
District of Columbia	24.39	$25.13	$995

Frequently asked questions

How much does it cost to charge a Cadillac Optiq in Maryland?

$22.50 for a full charge from empty. The car needs 103.0 kWh at the wall and Maryland residential electricity averages 21.84¢ per kWh.

How much does a Cadillac Optiq cost per mile in Maryland?

About $0.07 a mile, or $7.43 per 100 miles. Over 12,000 miles a year that is roughly $891 of electricity.

Is charging a Cadillac Optiq cheaper than petrol in Maryland?

Yes — 1.8 times cheaper per mile. Electricity costs $7.43 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $743 a year.

How long does a full charge last?

The EPA rates the Cadillac Optiq at 303 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 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.