# BMW 6 Series 645Ci prices

> The median asking price of a BMW 6 Series 645Ci is $10,090, across 37 for sale with a median model year of 2005. The 2005, the model year with the most for sale, has a median asking price of $9,630.

Trim page · 2004–2005 · data as of Nov 15, 2026 · [ottoquest.com](https://ottoquest.com/variants/bmw-6-series-645ci)

- For sale: 37 cars, model years 2004–2005
- Median asking price: $10,090 (37 for sale, median model year 2005)
- Most are priced between $6,798 and $12,692, depending on model year and mileage
- The 2005, the model year with the most for sale: median $9,630 (26 for sale)
- Auction results on record: 0

## Price by model year

Asking prices of cars for sale now and sold prices over the last three years.

| Model year | For sale | Median asking | Sold · 3 yrs | Median sold | Middle 50% sold |
| --- | ---: | ---: | ---: | ---: | ---: |
| 2005 | 26 | $9,630 | 0 | — | — |
| 2004 | 11 | $10,090 | 0 | — | — |

## Other 6 Series trims

Each priced on its own.

| Trim | Years | For sale | Median asking |
| --- | ---: | ---: | ---: |
| [650I](https://ottoquest.com/variants/bmw-6-series-650i.md) | 2006–2018 | 162 | $13,849 |
| [640i](https://ottoquest.com/variants/bmw-6-series-640i.md) | 2012–2018 | 43 | $18,797 |
| [633CSi](https://ottoquest.com/variants/bmw-6-series-633csi.md) | 1978–1988 | 14 | $12,495 |
| [635CSi](https://ottoquest.com/variants/bmw-6-series-635csi.md) | 1985–1989 | 8 | $25,564 |
| [ALPINA B6 Gran](https://ottoquest.com/variants/bmw-6-series-alpina-b6-gran.md) | 2018 | 1 | $32,565 |
| [ALPINA B6 xDrive](https://ottoquest.com/variants/bmw-6-series-alpina-b6-xdrive.md) | 2016 | 1 | $31,563 |
| [M6](https://ottoquest.com/variants/bmw-6-series-m6.md) | 2007 | 1 | $45,172 |
| [xDrive](https://ottoquest.com/variants/bmw-6-series-xdrive.md) | 2018 | — | — |

## What's for sale

- Gearbox: Auto 72%, Manual 28%
- Body: Convertible 73%, Coupe 28%
- Drive: RWD 100%

## Specs and fuel economy

EPA figures by model year.

| Model year | Combined MPG | EV range | Class |
| --- | ---: | ---: | --- |
| 1989 | 15–16 | — | Subcompact Cars |
| 1988 | 12–15 | — | Subcompact Cars |
| 1987 | 12–16 | — | Subcompact Cars |
| 1986 | 16–17 | — | Subcompact Cars |
| 1985 | 17 | — | Subcompact Cars |
| 1984 | 18 | — | Subcompact Cars |

## Safety recalls

NHTSA lists 3 safety recall campaigns for the BMW 6 Series 645Ci. By model year: 2012 (1), 2010 (2), 2009 (2), 2008 (2), 2007 (2), 2006 (2), 2005 (2), 2004 (2). A recall repair is free at a dealer of the make; check a car's VIN before buying.

## BMW 6 Series 645Ci prices: common questions

### How much does a BMW 6 Series 645Ci cost?

The median asking price of a BMW 6 Series 645Ci is $10,090, across 37 cars for sale in the U.S. Most are priced between $6,798 and $12,692, depending on the model year and mileage. The 2005, the model year with the most for sale, asks a median of $9,630.

### Which BMW 6 Series 645Ci model year is the cheapest?

Among model years with at least 10 cars for sale, the 2005 BMW 6 Series 645Ci asks the least: a median of $9,630 across 26 cars, with a typical 85,907 miles.

### Which BMW 6 Series 645Ci model year has the most cars for sale?

The 2005: 26 of the 37 for sale, at a median asking price of $9,630.

## More

- Value a BMW 6 Series 645Ci: https://ottoquest.com/value?model=bmw-6-series&variant=bmw-6-series-645ci
- BMW 6 Series 645Ci for sale, with each car's market value: https://ottoquest.com/listings?variant=bmw-6-series-645ci
- Check one car's price: https://ottoquest.com/deal-check.md?vin=<VIN>&price=<price>&mileage=<miles> (markdown; the page is https://ottoquest.com/deal-check)
- Value a car by model, trim, year and mileage: https://ottoquest.com/value
- Free alerts for new listings and price drops: https://ottoquest.com/deals

Free with an account at https://ottoquest.com/variants/bmw-6-series-645ci: where it's cheaper by state, cars below market now, year-by-year days to sell, the sold-price trend and every auction result.

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OttoQuest · [this page](https://ottoquest.com/variants/bmw-6-series-645ci). Prices are asking prices of cars for sale in the U.S. and recorded sold prices; a guide to the price, not to a car's condition.