Comparisons / Comparison of BMW 6 Series Convertible (F12 LCI, facelift 2015) 650i Steptronic and Mercedes-Benz S-class (W221) S 450 G-TRONIC

Comparison of BMW 6 Series Convertible (F12 LCI, facelift 2015) 650i Steptronic and Mercedes-Benz S-class (W221) S 450 G-TRONIC [S]ave

Attribute
Mercedes-Benz S-class (W221) S 450 G-TRONIC ×
BMW 6 Series Convertible (F12 LCI, facelift 2015) 650i Steptronic ×
General
MakeMercedes-BenzBMW
ModelS-class6 Series
GenerationS-class (W221)6 Series Convertible (F12 LCI, facelift 2015)
ModificationS 450 G-TRONIC650i Steptronic
Websitehttps://www.mercedes-benz.com/https://www.bmw.com
Number of doors42
Number of seats54
Body typeSedanCabriolet
Transmissionautomatic g-tronic automatic steptronic
Number of gears78
Production from (year)20062015
Production to (year)20092018
Performance
Top speed (km/h)250250
Acceleration 0-100 km/h (s)5.94.6
City consumption (l/100km)16.512.4
Extra-urban consumption (l/100km)8.16.9
Combined consumption (l/100km)11.28.9
CO2 emissions (g/km)267208
Emission standard-EURO VI
Drive
DriveRear wheel driveRear wheel drive
Position of engineFront,ongitudinalFront,ongitudinal
FuelPetrol (Gasoline)Petrol (Gasoline)
Max. power (hp)340450
Max. torque (Nm)460650
Fuel Engine
Number of cylinders88
Cylinders arrangementV engineV engine
Valves per cylinder44
Engine displacement (cm³)4,6634,395
Compression ratio10.510
Max. power @ rpm (rpm)6,0005,500
Max. torque @ rpm (rpm)2,7002,000
Cylinder bore (mm)92.989
Piston stroke (mm)8688.3
Fuel systemMulti-point injectionDirect injection
Turbine-Twin-power turbo
Fuel tank (l)9070
Engine oil capacity (l)-9
Coolant capacity (l)-14.4
Chassis
ABS++
Front wheel suspensionPneumatic elastic elementDouble wishbone
Rear wheel suspensionPneumatic elastic elementMulti-link independent
Steering typeSteering rackSteering rack
Power steering-Electric Steering
Front brakesVentilated discsDisc
Rear brakesVentilated discsDisc
Tires size
  • 235/55 R17
  • 245/35 R20
  • 245/40 R19
  • 245/45 R18
  • 275/30 R20
  • 275/35 R19
  • 275/45 R18
Turning radius (m)11.811.7
Dimensions
Length (mm)5,0794,894
Width (mm)1,8721,894
Height (mm)1,4731,365
Wheelbase (mm)3,0352,855
Kerb weight (kg)1,8651,930
Gross weight (kg)2,5452,425
Minimum boot space (l)-300
Maximum boot space (l)560350
Front track (mm)1,6041,600
Rear track (mm)1,6061,665
Ride height (mm)-123
Drag coefficient (Cd)-0.32



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