Charging a 2026 Porsche Taycan 4 Cross Turismo at home in Tennessee

A 2026 Porsche Taycan 4 Cross Turismo draws 41.5 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.77 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 64% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.

2026 Porsche Taycan 4 Cross Turismo: yearly cost in Tennessee

Tennessee owners putting 15,000 annual miles on a 2026 Porsche Taycan 4 Cross Turismo spend about $865 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,537 saved annually, at this mileage.

Cost of a full charge

At Tennessee's rate, fully covering this 2026 Porsche Taycan 4 Cross Turismo's 277-mile EPA range costs about $15.98 (115 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4 Cross Turismo in Tennessee ranks 8,340 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4 Cross Turismo ranks 289 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

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.

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

More on how this number was built

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.