BMW 6 Series Coupe (F13) 640i (320 Hp) xDrive Steptronic


Overall Rating

7.5 / 10
Safety N/A / 5
Not Rated
Engine 4.2 / 5
Value 3.0 / 5
Performance 4.5 / 5
Comfort 4.5 / 5
People\'s Opinion N/A / 5
Not Rated

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)

Coupe (F13) Overview:

BMW 6 Series (Coupe (F13)). With 450 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~11.1 l/100km). With a weight of 1765 kg, it falls in the mid‑range. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is excellent (0–100 km/h in 5.2 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.

640i (320 Hp) xDrive Steptronic Verdict:

Rating 4 stars

Performance Verdict

Combines the smooth power of the inline-six with the added grip and security of xDrive, providing confident and capable performance in varied conditions.

Fuel Economy

Slightly higher fuel consumption than the RWD 640i due to xDrive, but still respectable for its performance and class.

Best Use Case: Year-round driving in regions with challenging weather, offering a blend of performance and practicality.

Pros and Cons:

Pros:

  • • Stunning and elegant design with a strong road presence.
  • • Powerful and refined engine options, from efficient diesels to exhilarating V8s.
  • • Luxurious and high-quality interior with advanced technology.
  • • Comfortable ride quality, ideal for long-distance grand touring.
  • • Engaging driving dynamics, especially with adaptive suspension.

Cons:

  • • Early N63 V8 engines (407hp/400hp) can suffer from significant reliability issues (oil consumption, timing chain, injector problems).
  • • High purchase price and significant depreciation.
  • • Rear seats are very cramped, making it more of a 2+2 than a true four-seater.
  • • Fuel economy for V8 models is poor, leading to high running costs.
  • • Steering feel can be somewhat numb compared to previous BMW generations.

Specifications:

Specifications are compared to those of the previous generation(Coupe (F13): 2012 - 2015).

General:
Brand:BMW
Model:6 Series
Generation:Coupe (F13)
Modification (Engine):640i (320 Hp) xDrive Steptronic
Start of production:2013
End of production:2015
Powertrain Architecture:Internal Combustion engine
Body type:Coupe
Seats:4
Doors:2
Engine:
Power:320 Hp @ 5800-6000 rpm. Same horsepower
Power per litre:107.4 Hp/l [Same length.]
Torque:450 Nm @ 1300-4500 rpm.
Engine Model/Code:N55B30A More details about the engine N55B30A
Engine displacement:2979
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Direct injection
Engine aspiration:Twin-power turbo, Intercooler
Engine oil capacity:6.5 l
Coolant:9.3 l
Engine layout:Front, Longitudinal
Cylinder Bore:84 mm mm
Piston Stroke:89.6 mm mm
Compression ratio:10.2:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:11.0-11.2 l/100 km
Fuel consumption (economy) - extra urban:6.4-6.5 l/100 km
Fuel consumption (economy) - combined:8.1-8.2 l/100 km
Emission standard:Euro 6
Acceleration 0 - 100 km/h:5.2 sec
Acceleration 0 - 62 mph:5.2 sec
Maximum speed:250 km/h
Weight-to-power ratio:5.5 kg/Hp, 181.3 Hp/tonne
Weight-to-torque ratio:3.9 kg/Nm, 255 Nm/tonne
Acceleration 0 - 60 mph:4.9 sec
Space:
Kerb Weight:1765
Max. weight:2255
Max. roof load:75 kg
Max load:490
Trunk (boot) space - minimum:460 l
Fuel tank capacity:70 l
Size:
Length:4894 mm mm [Same length.]
Width:1894 mm mm [Same width.]
Height:1369 mm mm [Same height.]
Wheelbase:2855 mm mm [Same wheelbase.]
Front track:1600 mm
Rear (Back) track:1665 mm
Ride height (ground clearance):124 mm
Minimum turning circle (turning diameter):11.7 m [above average]
Powertrain:
Drive wheelAll wheel drive (4x4)
Number of gears8
Transmission typeAutomatic
Gearbox typeSteptronic
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesVentilated discs [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20
Wheel rims size8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20
Front suspensionDouble wishbone
Rear suspensionIndependent multi-link suspension

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