Porsche Taycan (electric) vs Tesla Model S Long Range (electric): 5-year cost to own in the U.S.
As of August 6, 2026, over 5 years (U.S. average, 12,000 mi/yr), the Tesla Model S Long Range (electric) stays the cheaper car to own — about $93,255 vs $107,511 for the Porsche Taycan (electric), a $14,256 difference over 5 years. The expired federal $7,500 EV credit is not applied to either total.
Cheaper to own over 5 yearsTesla Model S Long Range (electric) · $93,255 total · $14,256 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 (51%) | $52,779 (57%) |
| Charging / fuel | $6,211 (6%) | $4,576 (5%) |
| ↳ of which charging loss | 12% (~$745) | 12% (~$549) |
| Maintenance | $7,500 (7%) | $3,480 (4%) |
| Insurance | $20,000 (19%) | $16,000 (17%) |
| Financing interest | $18,130 (17%) | $15,420 (17%) |
| Registration & fees | $1,000 (1%) | $1,000 (1%) |
| Total cost of ownership | $107,511 | $93,255 |
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).
No sugar-coating it — the Tesla Model S Long Range (electric) is decisively cheaper: $14,256 over 5 years, about 15% of its total. At default assumptions this one isn't close.
What decides the Porsche Taycan (electric) vs Tesla Model S Long Range (electric) verdict
No single line settles this one, but maintenance moves the most money: $7,500 on the Porsche Taycan (electric) against $3,480 on the Tesla Model S Long Range (electric) — $4,020 of the $14,256 between them. On the Porsche Taycan (electric), maintenance alone is 7% of its $107,511 total; on the Tesla Model S Long Range (electric) it is 4% of $93,255.
- Insurance: Porsche Taycan (electric) $20,000, Tesla Model S Long Range (electric) $16,000 — $4,000 more in the Tesla Model S Long Range (electric)'s favor.
- Financing interest: Porsche Taycan (electric) $18,130, Tesla Model S Long Range (electric) $15,420 — $2,710 more in the Tesla Model S Long Range (electric)'s favor.
- Depreciation: Porsche Taycan (electric) $54,670, Tesla Model S Long Range (electric) $52,779 — $1,891 more in the Tesla Model S Long Range (electric)'s favor.
Not one major line falls the Porsche Taycan (electric)'s way — every row of the table above the $215 noise floor lands in the Tesla Model S Long Range (electric)'s favor. At the dealer the Porsche Taycan (electric) starts $14,410 behind the Tesla Model S Long Range (electric); running costs claw back $154 of that, but the Tesla Model S Long Range (electric) still ends $14,256 ahead. The Tesla Model S Long Range (electric) is ahead by $3,619 after the first year and more than doubles that lead — $14,256 by year 5.
Porsche Taycan (electric) vs Tesla Model S Long Range (electric), side by side
Porsche Taycan (electric)
- 5-yr total cost
- $107,511
- Cost / month
- $1,792
- Cost / mile
- $1.79
- MSRP
- $99,400
- Powertrain
- Electric
- Efficiency
- 38 kWh/100mi
Tesla Model S Long Range (electric)
- 5-yr total cost
- $93,255
- Cost / month
- $1,554
- Cost / mile
- $1.55
- MSRP
- $84,990
- Powertrain
- Electric
- Efficiency
- 28 kWh/100mi
- Electricity (US avg)
- 18.4¢/kWh EIA
- Gas price (US avg)
- $3.85/gal AAA
Full cost breakdowns
Porsche Taycan (electric) vs Tesla Model S Long Range (electric) by state
No state's electricity or gas prices flip this verdict at default assumptions — the Tesla Model S Long Range (electric) is the cheaper car in all 51 states we track.