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BMW 6 Series E63 645Ci (333 Hp)
Overall Rating
BMW 6 Series:
The BMW 6 Series is a range of grand tourers produced by BMW since 1976. It is the successor to the E9 Coupé and is currently in its fourth generation.
The first generation BMW E24 6 Series was available solely as a two-door coupé and produced from 1976 to 1989, when it was supplanted by the larger BMW 8 Series. When the 6 Series nameplate was revived in 2004 for the second generation, the BMW E63/E64 6 Series, the coupé was joined by a convertible body style. The third generation F06/F12/F13 6 Series debuted in 2011 as a coupé and convertible, and a sedan variant known as the "Gran Coupé" in 2012. When the F06/F12/F13 6 Series ended production, the "Gran Coupé"/coupé/convertible models have been shifted into the more upmarket BMW 8 Series nameplate. The fourth generation 6 Series, the G32 6 Series, debuted in mid-2017 and is offered only as a fastback body style to complement the BMW 5 Series sedan/wagon....(Read more on Wikipedia)
E63 Overview:
BMW 6 Series (E63). With 450 Nm of torque, it offers ample pulling power. With a weight of 1690 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is excellent (0–100 km/h in 5.6 s). The top speed reaches 250 km/h. A two-door car with a fixed roof, known for its sporty design and dynamic performance. Seating for 4 makes it ideal for daily use.
645Ci (333 Hp) Verdict:
Performance Verdict
Engaging manual transmission paired with the potent V8 delivers a more connected and driver-focused experience than the automatic.
Fuel Economy
Similar V8 thirst as the automatic, but the manual offers more control over power delivery and potentially slightly better real-world efficiency for skilled drivers.
Pros and Cons:
Pros:
- • Striking and distinctive exterior design
- • Powerful and smooth V8 engine options (645Ci, 650i)
- • Luxurious and well-appointed interior with high-quality materials
- • Excellent long-distance cruising comfort and stability
- • Engaging driving dynamics for a grand tourer
- • Strong depreciation makes them affordable on the used market
Cons:
- • Controversial 'Bangle Butt' styling not universally loved
- • V8 engines (N62) can suffer from expensive reliability issues (e.g., valve stem seals, cooling system)
- • Rear seats are very cramped, making it more of a 2+2 than a true four-seater
- • High maintenance and repair costs, especially for V8 models
- • Fuel economy can be poor, particularly with the V8s
- • iDrive infotainment system can feel dated and complex by modern standards
Specifications:
Specifications are compared to those of the previous generation(E24, facelift 1987: 1987 - 1989).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | 6 Series |
| Generation: | E63 |
| Modification (Engine): | 645Ci (333 Hp) |
| Start of production: | 2003 |
| End of production: | 2005 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Coupe |
| Seats: | 4 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Power: | 333 Hp @ 6100 rpm. Same horsepower |
| Power per litre: | 75.7 Hp/l [5mm more] |
| Torque: | 450 Nm @ 3600 rpm. |
| Engine Model/Code: | N63B44 More details about the engine N63B44 |
| Engine displacement: | 4398 |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Naturally aspirated engine |
| Valvetrain: | DOHC |
| Engine oil capacity: | 8 l |
| Coolant: | 13.8 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 92 mm mm |
| Piston Stroke: | 82.7 mm mm |
| Compression ratio: | 10:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 17.2 l/100 km |
| Fuel consumption (economy) - extra urban: | 8.6 l/100 km |
| Fuel consumption (economy) - combined: | 11.7 l/100 km |
| Emission standard: | Euro 4 |
| Acceleration 0 - 100 km/h: | 5.6 sec |
| Acceleration 0 - 62 mph: | 5.6 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 5.1 kg/Hp, 197 Hp/tonne |
| Weight-to-torque ratio: | 3.8 kg/Nm, 266.3 Nm/tonne |
| Acceleration 0 - 60 mph: | 5.3 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1690 |
| Max. weight: | 2065 |
| Max load: | 375 |
| Trunk (boot) space - minimum: | 450 l |
| Fuel tank capacity: | 70 l |
| Size: | |
|---|---|
| Length: | 4820 mm mm [5mm more] |
| Width: | 1855 mm mm [130mm more] |
| Height: | 1373 mm mm [8mm more] |
| Wheelbase: | 2780 mm mm [155mm more] |
| Front track: | 1558 mm |
| Rear (Back) track: | 1592 mm |
| Minimum turning circle (turning diameter): | 11.4 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 6 |
| Transmission type | Manual |
| Front brakes | Disc [above average] |
| Rear brakes | Disc [above average] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 245/45 R18 |
| Wheel rims size | 8J x 18 |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
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