Charging a 2026 Porsche Taycan 4 Perf Battery Plus at home in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Porsche Taycan 4 Perf Battery Plus (rated 38.7 kWh per 100 miles by the EPA) costs $5.33 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. That works out to 66.7% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Iowa owners putting 15,000 annual miles on a 2026 Porsche Taycan 4 Perf Battery Plus spend about $800 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,603 saved annually, at this mileage.

What one full charge costs

At Iowa's rate, fully covering this 2026 Porsche Taycan 4 Perf Battery Plus's 294-mile EPA range costs about $15.68 (113.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4 Perf Battery Plus in Iowa ranks 6,120 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4 Perf Battery Plus ranks 231 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Porsche Taycan 4 Perf Battery Plus at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

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.