2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger: home charging cost in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger (rated 36.7 kWh per 100 miles by the EPA) costs $5.05 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home costs a fraction of what gas would here: 68.5% less than gas per mile, here specifically.

2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger: yearly cost in Montana

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger charged at home in Montana costs about $757/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,646 a year.

What one full charge costs

A 2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger needs roughly 101.9 kWh to reach its EPA-rated 278-mile range, which runs about $14.03 at 13.77¢/kWh in Montana.

2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger in Montana, ranked

This combination ranks 4,736 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD V SERIES 11 kW Charger alone ranks 182 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in Montana before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger's cost in Montana. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.