Comparisons / Comparison of BMW 6 Series Convertible (F12 LCI, facelift 2015) 640i Steptronic and Mercedes-Benz SL (R231) SL 400 G-TRONIC

Comparison of BMW 6 Series Convertible (F12 LCI, facelift 2015) 640i Steptronic and Mercedes-Benz SL (R231) SL 400 G-TRONIC [S]ave

Attribute
BMW 6 Series Convertible (F12 LCI, facelift 2015) 640i Steptronic ×
Mercedes-Benz SL (R231) SL 400 G-TRONIC ×
General
MakeBMWMercedes-Benz
Model6 SeriesSL
Generation6 Series Convertible (F12 LCI, facelift 2015)SL (R231)
Modification640i SteptronicSL 400 G-TRONIC
Websitehttps://www.bmw.comhttps://www.mercedes-benz.com/
Number of doors22
Number of seats42
Body typeCabrioletCabriolet
Transmissionautomatic steptronic automatic g-tronic
Number of gears87
Production from (year)20152014
Production to (year)20182015
Performance
Top speed (km/h)250250
Acceleration 0-100 km/h (s)5.55.2
City consumption (l/100km)10.610.2
Extra-urban consumption (l/100km)5.86.2
Combined consumption (l/100km)7.67.7
CO2 emissions (g/km)176179
Emission standardEURO VIEURO VI
Drive
DriveRear wheel driveRear wheel drive
Position of engineFront,ongitudinalFront,ongitudinal
FuelPetrol (Gasoline)Petrol (Gasoline)
Max. power (hp)320333
Max. torque (Nm)450480
Fuel Engine
Number of cylinders66
Cylinders arrangementInlineV engine
Valves per cylinder4-
Engine displacement (cm³)2,9792,996
Compression ratio10.210.5
Max. power @ rpm (rpm)5,8005,250
Max. torque @ rpm (rpm)1,3001,600
Cylinder bore (mm)84-
Piston stroke (mm)89.6-
Fuel systemDirect injectionDirect injection
TurbineTwin-power turboBiTurbo
Fuel tank (l)7065
Engine oil capacity (l)6.5-
Coolant capacity (l)10.2-
Chassis
ABS++
Front wheel suspensionDouble wishboneIndependent multi-link
Rear wheel suspensionMulti-link independentMulti-link independent
Steering typeSteering rackSteering rack
Power steeringElectric Steering-
Front brakesDiscVentilated discs
Rear brakesDiscVentilated discs
Tires size
  • 225/55 R17
  • 245/35 R20
  • 245/40 R19
  • 245/45 R18
  • 275/30 R20
  • 275/35 R19
  • 275/45 R18
  • 255/45 R17
Turning radius (m)11.711.04
Dimensions
Length (mm)4,8944,617
Width (mm)1,8941,877
Height (mm)1,3651,315
Wheelbase (mm)2,8552,585
Kerb weight (kg)1,8201,730
Gross weight (kg)2,3252,110
Minimum boot space (l)300241
Maximum boot space (l)350381
Front track (mm)1,6001,600
Rear track (mm)1,6651,604
Ride height (mm)12396
Drag coefficient (Cd)0.3-



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