EVs / Charging cost / Montana / Cadillac OPTIQ-V

Cost to charge a Cadillac OPTIQ-V in Montana

$14.56full charge

The OPTIQ-V V-SERIES (85 kWh) costs about $14.56 to charge fully at Montana's average home rate of 15.57¢/kWh, including about 10% charging loss (93.5 kWh from the wall). That is $5.24 per 100 miles.

EIA residential average, Montana, 2026-08 (latest in this book). No Montana gasoline series, so this uses PADD 4 regular, week of Oct 19, 2026.

Cadillac OPTIQ-V specs

By trim · per 100 mi
V-SERIES278 mi$5.24
Nearby states · per 100 mi
Montana15.57¢$5.24
Idaho13.37¢$4.50North Dakota13.31¢$4.48South Dakota15.15¢$5.10Wyoming14.43¢$4.85
Questions
Is it cheaper than gas in Montana?

At 1,000 miles a month and 30 mpg, home charging costs $52.37 and the gas car costs $148.93. The EV saves $96.57 a month at $4.468/gal. Both miles and mpg are editable on the calculator.

How long does a full charge take?

The listed DC fast-charge time is 10–80% in 35 min (estimate) at up to 150 kW. A full home charge is a different session. This page prices the energy from the wall, not how long a Level 2 charger takes.

What about public fast charging?

This page uses the residential rate. Public fast-charging prices are a separate scenario and are not included.

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