Porsche Taycan (electric) vs Tesla Model S Long Range (electric): 5-year cost to own in Maine
As of July 1, 2026, over 5 years in Maine, the Tesla Model S Long Range (electric) stays the cheaper car to own — about $94,907 vs $110,048 for the Porsche Taycan (electric), a $15,141 difference over 5 years. Maine's electricity (28.4¢/kWh, 51% above the U.S. average) and $3.90/gal gas are fed straight into both totals. The expired federal $7,500 EV credit is not applied to either total.
Cheaper to own over 5 years · MaineTesla Model S Long Range (electric) · $94,907 total · $15,141 less than the Porsche Taycan (electric)
Porsche Taycan (electric) vs Tesla Model S Long Range (electric) — where the money goes
| Cost component | Electric · Porsche Taycan | Electric · Tesla Model S Long |
|---|---|---|
| Depreciation (estimated) | $54,670 (50%) | $52,779 (56%) |
| Charging / fuel | $9,572 (9%) | $7,053 (7%) |
| ↳ of which charging loss | 12% (~$1,149) | 12% (~$846) |
| Maintenance | $7,500 (7%) | $3,480 (4%) |
| Insurance | $20,000 (18%) | $16,000 (17%) |
| Financing interest | $18,130 (16%) | $15,420 (16%) |
| Registration & fees | $175 (0%) | $175 (0%) |
| Total cost of ownership | $110,048 | $94,907 |
The charging-loss row is the ~10–15% of electricity lost to AC charging that you pay for but never reaches the battery — we include it; most calculators don't.
When does the Porsche Taycan (electric) win?
Even at 30,000+ mi/yr or a 15-year hold, the Tesla Model S Long Range (electric) stays cheaper here — its lower price and slower depreciation dominate. The Porsche Taycan (electric) is the pick mainly for reasons beyond 5-year cost (performance, emissions, HOV access, home-charging convenience).
Porsche Taycan (electric) vs Tesla Model S Long Range (electric), side by side
Porsche Taycan (electric)
- 5-yr total cost
- $110,048
- Cost / month
- $1,834
- Cost / mile
- $1.83
- MSRP
- $99,400
- Powertrain
- Electric
- Efficiency
- 38 kWh/100mi
Tesla Model S Long Range (electric)
- 5-yr total cost
- $94,907
- Cost / month
- $1,582
- Cost / mile
- $1.58
- MSRP
- $84,990
- Powertrain
- Electric
- Efficiency
- 28 kWh/100mi
- Maine electricity
- 28.4¢/kWh EIA
- Gas price (Maine)
- $3.90/gal AAA
Full cost breakdowns
← Porsche Taycan (electric) vs Tesla Model S Long Range (electric) (U.S. average)