2026 Cadillac OPTIQ RWD (11 kW Charger): home charging cost in Tennessee

A 2026 Cadillac OPTIQ RWD (11 kW Charger) draws 32.1 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $4.46 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 72.2% less than gas per mile, here specifically.

2026 Cadillac OPTIQ RWD (11 kW Charger): yearly cost in Tennessee

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Cadillac OPTIQ RWD (11 kW Charger) charged at home in Tennessee costs about $669/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,734 a year.

Cost of a full charge

A 2026 Cadillac OPTIQ RWD (11 kW Charger) needs roughly 101.7 kWh to reach its EPA-rated 317-mile range, which runs about $14.14 at 13.9¢/kWh in Tennessee.

2026 Cadillac OPTIQ RWD (11 kW Charger) in Tennessee, ranked

This combination ranks 2,279 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD (11 kW Charger) alone ranks 90 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Before you install a home charger in Tennessee

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.

Ask a licensed Tennessee electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.