Car technical specifications and fuel economy / consumption / mpg

Comparison BMW 6 Series (E63) 645 Ci (333 Hp) Automatic & BMW Z4 (G29) 30i (258 Hp) sDrive Steptronic & BMW X4 (G02 LCI, facelift 2021) 30i (245 Hp) MHEV xDrive Steptronic


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BMW 6 Series (E63) 645 Ci (333 Hp) Automatic
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BMW Z4 (G29) 30i (258 Hp) sDrive Steptronic
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BMW X4 (G02 LCI, facelift 2021) 30i (245 Hp) MHEV xDrive Steptronic
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Brand: BMW BMW BMW
Model: 6 Series Z4 X4
Generation: 6 Series (E63) Z4 (G29) X4 (G02 LCI, facelift 2021)
Engine / modification: 645 Ci (333 Hp) Automatic 30i (258 Hp) sDrive Steptronic 30i (245 Hp) MHEV xDrive Steptronic
Production start: 2003 year 2018 year 2021 year
Production end: 2005 year
Coupe type: Coupe Cabriolet
Num. of Doors: 2 2 5
Num. of seats: 2+2 2 5
Fuel consumption / economy - urban: 16.1 l/100 km 7.4 l/100 km
Fuel consumption / economy - extra urban: 8.0 l/100 km 4.9-5.3 l/100 km
Fuel consumption / economy - combined: 10.9 l/100 km 6.0-6.1 l/100 km
Fuel Type: Petrol (Gasoline) Petrol (Gasoline) Petrol (Gasoline)
Drag coefficient: 0.29 0.29 0.29-0.35
Fuel tank volume: 70 l 52 l 65 l
Emission standard: Euro 4 Euro 6 d Euro 6d
CO2 emissions: 264 g/km 137-139 g/km
Power: 333 hp 258 hp 245 hp
Max power in: 6100 rpm. 5000-6500 rpm. 5000-6500 rpm.
Maximum speed: 250 km/h 250 km/h 235 km/h
Acceleration from 0 to 100 km/h: 5.8 sec 5.4 sec 6.6 sec
CO2 emissions (WLTP): 171-192 g/km
Torque: 450 Nm @ 3600 rpm. 400 Nm @ 1550-4400 rpm. 350 Nm @ 1560-4800 rpm.
Model Engine: N63B44 B48B20
Engine position: Front, longitudinal Front, longitudinal Front, longitudinal
Engine displacement: 4398 cm3 1998 cm3 1998 cm3
Engine oil capacity: 8.0 l 5.25 l 5.75 l
Coolant: 14.2 l
Fuel System: Multi-point injection Direct injection Direct injection
Aspiration / Turbine: Twin-power turbo
Position of cylinders: V engine Inline Inline
Valvetrain: DOHC VALVETRONIC, Double VANOS
Number of cylinders: 8 4 4
Number of valves per cylinder: 4 4 4
Compression ratio: 10 10.2 10.2
Piston Stroke: 82.7 mm 94.6 mm 94.6 mm
Cylinder Bore: 92 mm 82 mm 82 mm
Electric motor power: 11
Wheel Drive: Rear wheel drive Rear wheel drive All wheel drive (4x4)
Number of Gears (automatic transmission): 6 8 Steptronic 8 Steptronic
Length: 4820 mm 4324 mm 4751 mm
Width: 1855 mm 1864 mm 1918 mm
Width including mirrors: 2024 mm
Height: 1373 mm 1304 mm 1621 mm
Wheelbase: 2780 mm 2470 mm 2864 mm
Front track: 1558 mm 1609 mm 1620 mm
Rear (Back) track: 1592 mm 1616 mm 1666 mm
Ride height(clearance): 117 mm 204 mm
Approach angle: 25 °
Departure angle: 22.2 °
Ramp angle: 20 °
Front overhang: 907 mm
Rear overhang: 947 mm
Wading depth: 500 mm
Minimum volume of Luggage (trunk): 450 l 281 l 525 l
Maximum amount of Luggage (trunk): 1430 l
Front suspension: Coil spring Double wishbone
Rear suspension: Helical spring Multi-link independent Independent multi-link
Max weight: 2065 kg 1740 kg 2400 kg
Front brakes: Disc Ventilated discs Ventilated discs
Rear brakes: Disc Ventilated discs Ventilated discs
Kerb Weight: 1695 kg 1415 kg 1815 kg
ABS: yes yes
Steering type: Steering rack and pinion Steering rack and pinion
Power steering: Hydraulic Steering Electric Steering Electric Steering
Max. roof load: 100 kg
Minimum turning circle (turning diameter): 11.4 m 11.0 m 12.1 m
Permitted trailer load with brakes (12%): 2400 kg
Permitted trailer load without brakes: 750 kg
Permitted towbar download: 100 kg
Tire size: 245/45 R18 225/50 R17; 255/45 R17 225/60 R18
Wheel rims size: 8J X 18 7.5J x 17; 8.5J x 17 7J x 18