2026 Porsche Taycan 4S Performance Battery: home charging cost in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Porsche Taycan 4S Performance Battery (rated 38.4 kWh per 100 miles by the EPA) costs $5.29 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: 66.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Porsche Taycan 4S Performance Battery charged at home in Iowa costs about $794/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,609 a year.

Filling up the 2026 Porsche Taycan 4S Performance Battery, in dollars

A 2026 Porsche Taycan 4S Performance Battery needs roughly 96.9 kWh to reach its EPA-rated 252-mile range, which runs about $13.34 at 13.77¢/kWh in Iowa.

Where this ranks

This combination ranks 5,960 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan 4S Performance Battery alone ranks 225 of 400 models for efficiency; Iowa alone ranks 9 of 51 states for electricity price.

Before you install a home charger in Iowa

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.

Line up a few Iowa electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Iowa's 13.77¢/kWh rate ranks 9 of 51 states; the state rate guide lays out the full spread.