2026 Porsche Taycan GTS Sport Turismo: home charging cost in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Porsche Taycan GTS Sport Turismo (rated 41 kWh per 100 miles by the EPA) costs $7.89 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 is much cheaper than gas here: 50.7% 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 GTS Sport Turismo charged at home in Illinois costs about $1,183/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,219 a year.

Filling up the 2026 Porsche Taycan GTS Sport Turismo, in dollars

A 2026 Porsche Taycan GTS Sport Turismo needs roughly 114.5 kWh to reach its EPA-rated 279-mile range, which runs about $22.01 at 19.22¢/kWh in Illinois.

2026 Porsche Taycan GTS Sport Turismo in Illinois, ranked

This combination ranks 14,891 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan GTS Sport Turismo alone ranks 287 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Before you install a home charger in Illinois

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 Illinois electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Taycan GTS Sport Turismo's cost in Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.