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Top Gear time 1:28:5
BMW 645ci Coupe specs
| Price in Europe | €72,000 - €88,720 |
| Price in US | $69,995 - $76,070 |
| Car type | Coupe |
| Curb weight | 1707-1934 kg (3763-4264 lbs) |
| Introduced | 2004 |
| Origin country | Germany |
| Gas mileage | 17.8-8.6 l/100 km (13-27 mpg US / 16-33 mpg UK) |
| CO2 emissions | 226 g/km |
| Views | 86.5k |
Lap times
Performance
| 0 - 40 kph | 1.7 s |
| 0 - 60 kph | 2.8 s |
| 0 - 80 kph | 4.1 s |
| 0 - 100 kph | 5.4 s |
| 0 - 120 kph | 7.8 s |
| 0 - 130 kph | 9.0 s |
| 0 - 140 kph | 10.1 s |
| 0 - 160 kph | 12.9 s |
| 0 - 180 kph | 16.3 s |
| 0 - 200 kph | 20.2 s |
| 0 - 220 kph | 26.7 s |
| 0 - 240 kph | 38.5 s |
| 1000 m | 25.1 s |
| 0 - 60 mph | 5.3 s |
| 0 - 100 mph | 12.4 s |
| 0 - 120 mph | 19.7 s |
| Est. 1/8 mile | 9.8 s @ 87.6 mph |
| 1/4 mile | 13.7 s |
| Top speed | 252 kph (157 mph) |
| Est. max acceleration | 0.54 g (5 m/s²) |
| 18m slalom | 65.3 kph (40.6 mph) |
| 600ft slalom | 109.1 kph (67.8 mph) |
| Lateral acceleration | 0.94 g (9 m/s²) |
Powertrain specs
| Engine type | V8, 32v |
| Displacement | 4.4 l (269 ci) |
| Power | 333 ps (328 bhp / 245 kw) |
| Torque | 450 Nm (332 lb-ft) |
| Power / liter | 76 ps (75 hp) |
| Power / weight | 189 ps (186 bhp) / t |
| Torque / weight | 255 Nm (188 lb-ft) / t |
| Efficiency | 28 PS per l/100 km |
| Power / €5000 | 21 ps |
| Transmission | 6 |
| Layout | front engine, rear wheel drive |
Braking distance
| 50 kph - 0 | 10 m (34 ft) |
| 60 kph - 0 | 15 m (49 ft) |
| 80 kph - 0 | 27 m (89 ft) |
| 100 kph - 0 | 37 m (121 ft) |
| 120 kph - 0 | 62 m (202 ft) |
| 190 kph - 0 | 139 m (456 ft) |
| 60 mph - 0 | 35 m (115 ft) |
| 70 mph - 0 | 52 m (169 ft) |
Rolling acceleration
| 60 - 100 kph (4) | 6.1 s |
| 60 - 100 kph (5) | 7.1 s |
| 80 - 120 kph (5) | 7.1 s |
| 80 - 120 kph (6) | 9.1 s |
| 70 - 120 kph | 11.4 s |
| Est. 100 - 140 kph | 4.6 s |
| Est. 100 - 200 kph | 14.9 s |
Interior noise
| Noise @ 80 kph | 63 dB |
| Noise @ 100 kph | 65 dB |
| Noise @ 130 kph | 68 dB |
| Noise @ 160 kph | 72 dB |
| Noise @ 180 kph | 75 dB |
645ci Coupe competition
