The 2022 typically asks 13% less than the 2025 in this snapshot, across 3 model years.
The 2017 Porsche 718 Cayman asks about 59% less than the 2025 across 8 model years — the curve below tracks every year from 2025 to 2017, priced from 421 live dealer listings.
These are current dealer asking prices for different vehicles, not a forecast, original MSRP comparison or final sale prices. Mileage, trim, condition and generation changes can affect the gap. No qualified five-model-year price gap is highlighted. The table shows the available years, prices and sample sizes.
◷ Updated September 10, 2026 ▤ National asking prices, refreshed daily
50% more than the 2025
Not always. The 2023 asks more than the 2025 — leftover inventory, a stronger configuration mix or a thin sample can outweigh a model year. Compare the specific year, not the age.
Priced from 92 and 55 live listings.
42% of the 2023 price
Across the 2017–2025 model years, 2023 → 2022 is the biggest single-model-year asking-price step in this sample.
Priced from 55 and 34 live listings.
Typical asking price by model year, newest on the left — labels compare asking prices with the 2025. Hover a point for that year's price band.
A 2017 Porsche 718 Cayman typically lists at $51,189 — 59% below the 2025's $125,361.
| Year | Typical price | Share of baseline ask | vs. next-newer year | Avg. mileage | Listings |
|---|---|---|---|---|---|
| 2025 | $125,361 | 100% | — | 5,040 | 92 |
| 2024 | $94,874 | 76% | −$30,487 | 8,568 | 66 |
| 2023 | $187,990 | 150% | +$93,116 | 7,889 | 55 |
| 2022 | $109,395 | 87% | −$78,595 | 14,483 | 34 |
| 2021 | $84,585 | 67% | −$24,810 | 19,068 | 33 |
| 2020 | $139,500 | 111% | +$54,915 | 16,866 | 13 |
| 2019 | $56,041 | 45% | −$83,459 | 37,746 | 36 |
| 2018 | $53,993 | 43% | −$2,048 | 44,794 | 65 |
| 2017 | $51,189 | 41% | −$2,804 | 51,538 | 27 |
Typical price is the median (or average when the median is unavailable) asking price of that model year's live dealer listings, national. Share of baseline ask is each year's asking price as a percentage of the newest year's asking price in the same group of available model years. Updated September 10, 2026.
This snapshot does not measure annual depreciation of one car. The 2017 typically asks $51,189, 59% below the 2025's $125,361. These are different vehicles listed on September 10, 2026; mileage, trim, condition and redesigns can affect the difference.
A 2017 Porsche 718 Cayman asks about 41% of the 2025's typical asking price ($51,189 vs $125,361). The “Share of baseline ask” column in the table above shows the same share for every model year in between.
The 2017 Porsche 718 Cayman is the most affordable model year we track, typically listed at $51,189 — 59% below the 2025's typical $125,361. Compare every year in the table above.
This depreciation curve covers 9 model years, from 2017 to 2025, each priced from live dealer listings and refreshed daily.
Check individual VINs before you buy — decode the exact trim and mileage, see every active listing, and how each price compares to the local market.
