Audi e-tron GT quattro (electric) vs Porsche Taycan (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 Porsche Taycan (electric) stays the cheaper car to own — about $107,511 vs $123,155 for the Audi e-tron GT quattro (electric), a $15,644 difference over 5 years. The expired federal $7,500 EV credit is not applied to either total.
Cheaper to own over 5 yearsPorsche Taycan (electric) · $107,511 total · $15,644 less than the Audi e-tron GT quattro (electric)
Audi e-tron GT quattro (electric) vs Porsche Taycan (electric) — where the money goes
| Cost component | Electric · Audi e-tron GT quattro | Electric · Porsche Taycan |
|---|---|---|
| Depreciation (estimated) | $64,797 (53%) | $54,670 (51%) |
| Charging / fuel | $6,211 (5%) | $6,211 (6%) |
| ↳ of which charging loss | 12% (~$745) | 12% (~$745) |
| Maintenance | $6,900 (6%) | $7,500 (7%) |
| Insurance | $24,500 (20%) | $20,000 (19%) |
| Financing interest | $19,747 (16%) | $18,130 (17%) |
| Registration & fees | $1,000 (1%) | $1,000 (1%) |
| Total cost of ownership | $123,155 | $107,511 |
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 Audi e-tron GT quattro (electric) win?
Even at 30,000+ mi/yr or a 15-year hold, the Porsche Taycan (electric) stays cheaper here — its lower price and slower depreciation dominate. The Audi e-tron GT quattro (electric) is the pick mainly for reasons beyond 5-year cost (performance, emissions, HOV access, home-charging convenience).
No sugar-coating it — the Porsche Taycan (electric) is decisively cheaper: $15,644 over 5 years, about 15% of its total. At default assumptions this one isn't close.
What decides the Audi e-tron GT quattro (electric) vs Porsche Taycan (electric) verdict
The single biggest mover is depreciation: $64,797 on the Audi e-tron GT quattro (electric) against $54,670 on the Porsche Taycan (electric), a $10,127 gap in the Porsche Taycan (electric)'s favor — the largest slice of the $15,644 verdict. On the Audi e-tron GT quattro (electric), depreciation alone is 53% of its $123,155 total; on the Porsche Taycan (electric) it is 51% of $107,511.
- Insurance: Audi e-tron GT quattro (electric) $24,500, Porsche Taycan (electric) $20,000 — $4,500 more in the Porsche Taycan (electric)'s favor.
- Financing interest: Audi e-tron GT quattro (electric) $19,747, Porsche Taycan (electric) $18,130 — $1,617 more in the Porsche Taycan (electric)'s favor.
- Maintenance: Audi e-tron GT quattro (electric) $6,900, Porsche Taycan (electric) $7,500 — $600 the other way, to the Audi e-tron GT quattro (electric).
The Audi e-tron GT quattro (electric) gets $600 back on maintenance, but against a $15,644 verdict that is loose change. The Audi e-tron GT quattro (electric) starts $8,595 behind the Porsche Taycan (electric) at the dealer, and ownership widens it — the 5-year gap grows to $15,644. The Porsche Taycan (electric) is ahead by $5,424 after the first year and more than doubles that lead — $15,644 by year 5.
Audi e-tron GT quattro (electric) vs Porsche Taycan (electric), side by side
Audi e-tron GT quattro (electric)
- 5-yr total cost
- $123,155
- Cost / month
- $2,053
- Cost / mile
- $2.05
- MSRP
- $107,995
- Powertrain
- Electric
- Efficiency
- 38 kWh/100mi
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
- Electricity (US avg)
- 18.4¢/kWh EIA
- Gas price (US avg)
- $3.85/gal AAA
Full cost breakdowns
Audi e-tron GT quattro (electric) vs Porsche Taycan (electric) by state
No state's electricity or gas prices flip this verdict at default assumptions — the Porsche Taycan (electric) is the cheaper car in all 51 states we track.