The 2023 typically asks 37% less than the 2026 in this snapshot, across 3 model years.
The 2017 BMW 230i asks about 68% less than the 2026 across 9 model years — the curve below tracks every year from 2026 to 2017, priced from 1,204 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 9, 2026 ▤ National asking prices, refreshed daily
The asking-price gap per model year is larger between 2026 and 2023 than between 2023 and 2018. These are different listing samples, not one car's price history.
Priced from 665 and 50 live listings.
20% of the 2026 price
Across the 2017–2026 model years, 2026 → 2025 is the biggest single-model-year asking-price step in this sample.
Priced from 665 and 133 live listings.
Typical asking price by model year, newest on the left — labels compare asking prices with the 2026. Hover a point for that year's price band.
A 2017 BMW 230i typically lists at $16,537 — 68% below the 2026's $51,055.
| Year | Typical price | Share of baseline ask | vs. next-newer year | Avg. mileage | Listings |
|---|---|---|---|---|---|
| 2026 | $51,055 | 100% | — | 1,472 | 665 |
| 2025 | $40,962 | 80% | −$10,093 | 8,584 | 133 |
| 2024 | $34,998 | 69% | −$5,964 | 22,078 | 84 |
| 2023 | $32,052 | 63% | −$2,946 | 29,855 | 58 |
| 2022 | $29,220 | 57% | −$2,832 | 39,837 | 37 |
| 2021 | $22,373 | 44% | −$6,847 | 57,636 | 15 |
| 2020 | $23,176 | 45% | +$803 | 61,561 | 56 |
| 2019 | $20,382 | 40% | −$2,794 | 70,536 | 30 |
| 2018 | $18,900 | 37% | −$1,482 | 73,804 | 50 |
| 2017 | $16,537 | 32% | −$2,363 | 73,563 | 76 |
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 9, 2026.
This snapshot does not measure annual depreciation of one car. The 2017 typically asks $16,537, 68% below the 2026's $51,055. These are different vehicles listed on September 9, 2026; mileage, trim, condition and redesigns can affect the difference.
A 2017 BMW 230i asks about 32% of the 2026's typical asking price ($16,537 vs $51,055). The “Share of baseline ask” column in the table above shows the same share for every model year in between.
The 2017 BMW 230i is the most affordable model year we track, typically listed at $16,537 — 68% below the 2026's typical $51,055. Compare every year in the table above.
This depreciation curve covers 10 model years, from 2017 to 2026, 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.
