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- BMW Z4 Roadster 2017 sDrive35i VS BMW 6 Series Convertible 2018 640i xDrive
BMW Z4 Roadster 2017 sDrive35i vs BMW 6 Series Convertible 2018 640i xDrive: Which Should You Buy in KSA?
A complete comparison of the BMW Z4 Roadster 2017 sDrive35i VS BMW 6 Series Convertible 2018 640i xDrive — specs, prices, pros and cons, and live used listings across KSA.

BMW 6 Series Convertible 2018 640i xDrive
From SAR 589,500
| #1 BMW Z4 Roadster 2017 sDrive35i#1 | #2 BMW 6 Series Convertible 2018 640i xDrive#2 | |
|---|---|---|
| Price Comparison | ||
| Starting at | — | 589,500 SAR |
| Engine & Power | ||
| Engine | 2,979 cc · 6 cyl | 2,979 cc · 6 cyl |
| Horsepower (bhp) | 306 hp | 320 hp |
| Torque (Nm) | 400 Nm | 450 Nm |
| Acceleration 0-100 Km/h (sec) | 5.1 s | 5.4 s |
| Top Speed (Km/h) | 250 km/h | 250 km/h |
| Fuel Economy (L/100 Km) | 9.1 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
| Gears | 7 | 8 |
| Transmission | Automatic | Automatic |
| Drive Type | Rear Wheel Drive | All Wheel Drive |
| Fuel Type | Petrol | Petrol |
| Measurements | ||
| L×W×H | 4.2 m × 2.0 m × 1.3 m | 4.9 m × 1.9 m × 1.4 m |
| Wheelbase (meters) | 2.5 m | 2.9 m |
| Curb Weight (kg) | 1,600 kg | 1,890 kg |
| Trunk Capacity (liters) | 310 L | 300 L |
| Overview | ||
| Body Style | Convertible | Convertible |
| Seating Capacity | 2 seats | 4 seats |
| Doors | 2 doors | 2 doors |
| Features | ||
| Key features | 12V SocketABS (Anti-lock Brake System)AirbagsAudio Controls on Steering WheelAuto Dimming MirrorAuto HeadlampsAuto Retractable Hardtop RoofAuto Start / StopAutomatic ACAutomatic Headlight Range ControlAUXBA (Brake Assist)BluetoothBody Colored MirrorsCD PlayerCentral LockingChrome Exhaust PipesCruise ControlCruise Control Switch on SteeringCupholdersDaytime Running LightsDual Exhaust TipDynamic Stability ControlEBD (Electronic Brakeforce Distribution)Electric Door MirrorsHeadlight WashersHeated Cooled SeatsImmobilizerInternet ConnectivityKeyless EntryLeather SeatsLeather Steering WheelLED HeadlightsLED TaillightsMP3Multi-Information DisplayPaddle ShiftersParking SensorsPower SteeringPower Windows - Front OnlyPush Button StartRadioRun-Flat TyresSeat Adjustment - AutomaticSeat MemorySeatbelt pretensionerSeatsSport PedalsSports Exhaust SystemSteering Tilt AdjustmentTemperature DisplayTraction ControlTrip ComputerTyre Pressure Monitoring DisplayUSB PortWheel SizeWheels - Alloy | 12V SocketABS (Anti-lock Brake System)AirbagsAnti theft alarmAudio Controls on Steering WheelAuto Dimming MirrorAuto HeadlampsAutomatic ACAutomatic Headlight Range ControlAUXBA (Brake Assist)BluetoothCD PlayerCentral LockingChrome Exhaust PipesChrome Plated Radiator GrilleCruise ControlCruise Control Switch on SteeringCupholdersDaytime Running LightsDual Exhaust TipDynamic Stability ControlEBD (Electronic Brakeforce Distribution)Eco Drive ModeElectric Door MirrorsFog Lamp - Front and RearFootwell LightsFrameless DoorsFront Seat ArmrestHeadlight WashersHeated Cooled SeatsHill AssistImmobilizerISOFIX Child Seat AnchorsKeyless EntryLeather SeatsLeather Steering WheelLED TaillightsLumbar SupportMP3Multi-Information DisplayNavigation SystemParking SensorsPower OutletsPower SteeringPower Windows - Front OnlyPush Button StartRadioRain Sensing WipersRear Window DefoggerRun-Flat TyresSeat Adjustment - AutomaticSeat MemorySeatbelt pretensionerSpeed LimiterSteering Tilt AdjustmentTemperature DisplayTouchpadTraction ControlTrip ComputerTyre Pressure Monitoring DisplayUSB PortWheel SizeWheels - Alloy |