BMW M340i depreciation
A 2026 BMW M340i averages $70,555 — a 2020 averages $36,865 (48% lower).
Updated July 25, 2026 · Live dealer listing data
Average price by model year
| Year | Average price | Avg. mileage | vs. previous year | Listings |
|---|---|---|---|---|
| 2026 | $70,555 | 859 | +$11,269 | 338 |
| 2025 | $59,286 | 16,006 | +$6,807 | 70 |
| 2024 | $52,479 | 29,463 | +$1,741 | 29 |
| 2023 | $50,738 | 36,252 | +$9,799 | 38 |
| 2022 | $40,939 | 58,933 | +$903 | 40 |
| 2021 | $40,036 | 58,401 | +$3,171 | 66 |
| 2020 | $36,865 | 71,519 | — | 99 |
Frequently asked questions
How much does a BMW M340i depreciate per year?
A BMW M340i averages out to roughly 8.0% of value lost per year, though real-world depreciation is front-loaded — steepest in the first few years. A 2026 averages $70,555, while a 2020 — 6 years older — averages $36,865: 48% lower overall. Figures come from live dealer listings, updated July 25, 2026.
Which BMW M340i model year is cheapest?
The 2020 BMW M340i is the most affordable model year we track, averaging $36,865 — 48% below the 2026 average of $70,555. Compare every year in the table above.
How many BMW M340i model years can I compare here?
This depreciation curve covers 7 model years, from 2020 to 2026, each averaged from live dealer listings and refreshed daily.
Shopping for this car?
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.