47 used BMW 645 have been price checked

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How much does the BMW 645 depreciate?

Used BMW 645

A used BMW 645 (2004) model loses about €60 per month in value.


Factors that affect the depreciation of a BMW 645:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options


Depreciation is an important part of calculating the total cost of owning a BMW 645. In addition to the monthly depreciation of €60, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used BMW 645 cost? Prices, ratings and depreciation by model year

How much does a used BMW 645 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2005 BMW 645

5.999 € - 35.000 €15.919 €185.000 km+420 €13

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: April 25, 2026

Comparison of BMW 645 variants and prices

Below you can compare prices and depreciation for the {{count}} most popular BMW 645 variants. The table is updated daily with data from the market in Germany.

Comparison of BMW 645 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

BMW 645 Performance

9.990 € - 18.950 €13.417 €182.000 km-1.700 €12
💰 The budget choice

BMW 645 Sport Line

5.745 € - 19.950 €11.758 €187.000 km+2.400 €< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: April 25, 2026

Which variant should you choose?

💰 The budget choice

The Sport Line is the cheapest entry point with an average price of 11.758 €.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Performance for sale right now (12), which gives you the most options to choose from.

📈 The best value

The Sport Line has held its price stable with minimal loss in value over the past year (+2.400 €).

Accuracy will improve as more cars from this variant become available

BMW 645 (model year 2004) - Price development for the last 12 months and price projection for the next 6 months (April 2025 - September 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - April
12.960 €
9.840 €16.060 €
Estimate
2025 - May
12.380 €
9.220 €15.540 €
Estimate
2025 - June
11.160 €
8.400 €13.920 €
Estimate
2025 - July
11.120 €
7.940 €14.280 €
Estimate
2025 - August
10.560 €
7.100 €14.020 €
Estimate
2025 - September
10.980 €
8.040 €13.920 €
Estimate
2025 - October
11.240 €
8.360 €14.120 €
Estimate
2025 - November
11.480 €
8.640 €14.320 €
Estimate
2025 - December
12.540 €
9.980 €15.100 €
Estimate
2026 - January
12.300 €
9.460 €15.160 €
Estimate
2026 - February
12.500 €
9.760 €15.260 €
Estimate
2026 - March
12.240 €
9.080 €15.400 €
Estimate
2026 - May
12.640 €
--
Forecast
2026 - June
12.840 €
--
Forecast
2026 - July
13.040 €
--
Forecast
2026 - August
13.240 €
--
Forecast
2026 - September
13.440 €
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: April 25, 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-720 €

Next 6 months

1.200 €

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All gear types for BMW 645