Home » Car specs » BMW » 2004 BMW 645Ci Convertible Specs

2004 BMW 645Ci Convertible Specs

Engine Specifications

Engine Specifications:90 Degree V8
Position:Front Longitudinal
Aspiration:Natural
Valvetrain:4 Valves per Cyl
Displacement:4398 cc / 268.4 cu in
Bore:92 mm / 3.62 in
Stroke:82.7 mm / 3.26 in
Compression:10.0:1
Power:248.3 kw / 333 bhp @ 6100 rpm
Specific output:75.72 bhp per litre
Bhp/Weight:183.47 bhp per tonne
Torque:450.13 nm / 332 ft lbs @ 3600 rpm

Chassis & body

Body/Frame:Steel, Aluminum, SMC & Thermoplastic Monocoque
Driven wheels:RWD
Front tires:245/45 R 18 96W RSC
Rear tires:245/45 R 18 96W RSC
Front brakes:Discs w/Single Piston Calipers, ABS
Front brake size:348 mm / 13.7 in
Rear brakes:Discs w/Single Piston Calipers
Rear brake size:345 mm / 13.6 in
Front wheels:F 45.7 x 20.3 cm / 18 x 8 in
Rear wheels:R 45.7 x 20.3 cm / 18 x 8 in
Steering:Rack & Pinion w/Power Steering
Front suspension:MacPherson Struts w/Control Arms
Rear suspension:Rigid Axle

Drivetrain

Transmission:6-Speed ZF Manual or SMG 6-Speed
Gear ratios:4.055:1, 2.396:1, 1.5:1, 1.192:1, 1.00:1, 0.872:1
Final drive:3.23:1

Car dimensions

Weight:1815 kg / 4001 lbs
Wheelbase:2780 mm / 109.4 in
Front track:1558 mm / 61.3 in
Rear track:1592 mm / 62.7 in
Length:4820 mm / 189.8 in
Width:1855 mm / 73.0 in
Height:1373 mm / 54.1 in

Speed performance

Car top speed:250 kph / 155.3 mph
0 - 60 mph:6.1 seconds

Related car specs

  • 1994 BMW M5

    Engine: Inline-6
    Power: 253.5 kw / 340.0 bhp @ 6900 rpm
    Torque: 400.0 nm / 295.0 ft lbs @ 4750 rpm

  • 1960 BMW 700 RS

    Engine: Air Cooled Boxer Twin Cylinder
    Power: 52.2 kw / 70 bhp @ 8000 rpm
    Torque: N/A

  • 2000 BMW Z8

    Engine: Aluminum V8
    Power: 298.3 kw / 400.0 bhp @ 6600 rpm
    Torque: 500.3 nm / 369.0 ft lbs @ 3800 rpm

  • 1973 BMW 2002 Turbo

    Engine: Turbocharged Inline-4
    Power: 126.8 kw / 170.0 bhp @ 5800 rpm
    Torque: 239.9 nm / 176.9 ft lbs @ 4000 rpm

  • 2007 BMW M6 Cabriolet

    Engine: 90 Degree S65 V10 w/Semi Dry Sump Lubrication
    Power: 378.1 kw / 507 bhp @ 7750 rpm
    Torque: 520 nm / 383.5 ft lbs @ 6100 rpm

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Latest Specs

  1. 2010 Ford Mustang

    Engine: V8, Power: 315 hp @ 6000 rpm, Torque: 325 lb-ft @ 4250 rpm
  2. 2009 Nissan 370Z

    Engine: VQ37VHR Variable Valve Timing NA V6, Power: 332 bhp @ 7000 rpm, Torque: 270 lb-ft. @ 5200 rpm
  3. 2010 Bentley Azure T

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