| Common information: |
| Model: | BMW 645Ci |
| Produced by | BMW |
| Year begin | 2005 |
| Car category | Large/luxury cars |
| Country of origin car | Germany |
| Chassis type | Coupe |
| Drive | Rear tire dimensions |
| Car dimensions: |
| Car overall length: | 4830 mm |
| Car overall width | 1860 mm |
| Car overall height | 1380 mm |
| Car cargo space | 368 l |
| Passenger space | 2294 l |
| Wheelbase | 2790 mm |
| Turn circle | 12 mm |
| Seats | 4 |
| Max no. of doors | 2 |
| Car weight | 1715 kg |
| Car max weight with load | 2065 kg |
| Leg room front | 1070 mm |
| Engine/fuel: |
| engine size | 4390 cm3 |
| Engine type | V8 |
| Engine location | Front longitudinal |
| Valves per cylinder | 4 |
| Bore x stroke | 92.0 x 83.0 mm (3.6 x 3.3 inches) |
| Compression | 10.5:1 |
| Fuel control | Double overhead cam (DOHC) |
| Fuel system | Injection |
| Fuel type | Gasoline unleaded 98 |
| Fuel city driving | 13.8 l |
| Fuel highway driving | 9.4 l |
| Fuel mixed driving | 11.8 l |
| Fuel_capacity | 70 l |
| Speed / acceleration / power: |
| Top speed | 250 km/h |
| Acceleration 0-100 km/h | 5.6 s |
| Max. power | 255.6542 kW 6100 ot (342.7 l.s.) |
| Power weight ratio | 0.1490508 kW/kg |
| Max. torque | 439.34 Nm/ 3600 ot |
| Cost |
| Cost | 69960 USD |
| Cost | 72100 EUR |
| Cost | 1469160 Kč |
| Cost | 2163000 Kč |
| Brakes, suspension, cooling system: |
| Brake details | ABS Antiblocking system (ABS). |
| Front suspension | Independent |
| Rear suspension | Independent |
| Gearbox | 6-speed automatic or 6-speed manual |
| Cooling system | Liquid |
| Transmission | 6-speed automatic or 6-speed manual |
| Other: |
| Front tire dimensions | 165/80-SR13 |
| Rear tire dimensions | 245/45-R18 |
| Airbags | 8. Front airbags. Si |