BMW i8 Roadster vs Porsche 911 Comparison

Performance

Fuel Type	Petrol	Petrol
Engine Displacement	1499 cc	3436 cc
Power	374 hp	350 hp
Torque	320 Nm	390 Nm
Top Speed	250 kmph	289 kmph
Acceleration	--	4.8 s
Mileage City	--	8.1 kmpl
Mileage Highway	--	14.2 kmpl

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Dimensions & Capacity

Cargo Volume	88 L	145 L
Fuel Tank Capacity (litres)	30 L	64 L
Front Tread	1644 mm	--
Rear Tread	1721 mm	--
Kerb Weight	1670 kg	1400 kg
Gross Weight	1595 kg	1795 kg
Length	4689 mm	4491 mm
Width	1942 mm	1808 mm
Height	1291 mm	1303 mm
Wheel Base	2800 mm	2450 mm
Ground Clearance	117 mm	109 mm
Turning Radius	6.15 m	5.5 m
No Of Doors	2	2
Seating Capacity	2 Seats	2 Seats

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Transmission

Transmission Type	Automatic	Manual
Gear Box	6-Speed	7-Speed
Drive Type	--	RWD
Steering Wheel Gearshift Paddle	--	No

Suspension & Brakes

Front Brake Type	Ventillated Discs	Ventilated Discs
Rear Brake Type	Discs	Ventilated Discs
Front Suspension	MacPherson Strut	MacPherson Strut
Rear Suspension	Multi-Link	Multi-Link

Engine Details

Engine	1.5 L	--
Fuel Supply System	Direct Injection	Direct Injection
No Of Cylinders	3	6
Valves Per Cylinder	4	4
Valve Configuration	DOHC	DOHC
Compression Ratio	9.5:1	12.5:1
Emission Norm Compliance	--	Euro 6

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Wheel & Tyre

Alloy Wheels	Yes	Yes
Wheel Covers	No	No
Alloy Wheel Size	20 Inch	19 Inch
Tyre Size	195/50 R20	235/40 ZR19
Tyre Type	Radial	Run Flat
Wheel Size	R20	R19

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Steering

Power Steering	Yes	Yes
Adjustable Steering Column	Yes	Yes
Steering Column	Adjustable	Adjustable
Steering Type	Electric Power	Power

Safety

Anti-Lock Braking System	Yes	Yes
Brake Assist	Yes	Yes
EBD	Yes	Yes
Door Ajar Warning	Yes	Yes
Crash Sensor	Yes	Yes
Driver Airbag	Yes	Yes
Passenger Airbag	Yes	Yes
Side Airbag-Front	Yes	Yes
Side Airbag-Rear	No	--
Seat Belt Warning	Yes	Yes
Rear Seat Belts	No	Yes
Height Adjustable Front Seat Belts	Yes	Yes
Child Safety Locks	Yes	Yes
Front Impact Beams	Yes	Yes
Side Impact Beams	Yes	Yes
Engine Check Warning	Yes	Yes
Advance Safety Feature	--	Vehicle Tracking System Vehicle Tracking System
Vehicle Stability Control System	--	Yes
Traction Control	--	Yes
Day & Night Rear View Mirror	--	Optional Optional
Parking Sensors	--	Yes
Rear Camera	--	Optional Optional
Tyre Pressure Monitor	--	Yes

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Security

Central Locking	Yes	--
Anti Theft Device	Yes	Yes
Anti-Theft Alarm	Yes	Yes
Engine Immobilizer	Yes	Yes

Comfort & Convenience

Air Conditioner	Yes	Yes
Rear A/C Vents	No	No
Heater	Yes	Yes
Accessory Power Outlet	Yes	Yes
Cup Holders-Front	Yes	Optional Optional
Cup Holders-Rear	No	Yes
Keyless Entry	Yes	Yes
Cruise Control	Yes	Optional Optional
Power Windows Front	Yes	Yes
Power Windows Rear	No	No
Rear Reading Lamp	No	No
Trunk Light	Yes	--
Automatic Headlamps	Yes	Yes
Automatic Climate Control	--	Yes
Engine Start/Stop Button	--	Yes
Vanity Mirror	--	Yes
Follow Me Home Headlamps	--	Yes

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Exterior

Manually Adjustable Exterior Rear View Mirror	No	No
Power Adjustable Exterior Rear View Mirror	Yes	Yes
Outside Rear View Mirror Turn Indicator	Yes	No
Remote Trunk Opener	Yes	Yes
Remote Fuel Lid Opener	Yes	Yes
Integrated Antenna	Yes	Yes
Power Antenna	No	No
Rear Window Wiper	No	Optional Optional
Adjustable Headlights	Yes	Yes
Headlamp Type	Halogen Halogen	--
Roof Carrier	No	Optional Optional
Roof Rail	No	No
Rear Spoiler	No	Yes
Sun Roof	No	Optional Optional
Removable Convertible Top	No	No
Side Stepper	No	No
Centrally Mounted Fuel Tank	Yes	Yes
Electric Folding Rear View Mirror	--	Yes
Rain Sensing Wiper	--	Optional Optional
Rear Window Washer	--	Optional Optional
Rear Window Defogger	--	Yes
Fog Lights Front	--	Yes
Tinted Glass	--	Yes
Chrome Grille	--	No

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Entertainment & Communication

USB & Auxiliary Input	Yes	Yes
Bluetooth Connectivity	Yes	Optional Optional
CD Player	Yes	Optional Optional
FM/AM/Radio	Yes	Yes
Speakers Front	Yes	Yes
Speakers Rear	Yes	Yes
Multi-function Steering Wheel	Yes	Optional Optional
Integrated 2DIN Audio	Yes	Yes
Touch Screen	Yes	Yes
DVD Player	--	Optional Optional
Navigation System	--	Optional Optional
Voice Control	--	Optional Optional

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Miscellaneous

Outside Temperature Display

--

Yes

Instrumentation

Low Fuel Warning Light	Yes	Yes
Digital Odometer	Yes	Yes
Tacho Meter	Yes	Yes
Digital Clock	--	Yes
Electronic Multi Tripmeter	--	Yes

Seats & Upholstery

Adjustable Seats	Yes	Yes
Height Adjustable Driver Seat	Yes	Yes
Electric Adjustable Seats	No	Yes
Heated Seats - Rear	No	No
Rear Seat Headrest	No	No
Rear Seat Center Arm Rest	No	Yes
Fabric Upholstery	No	Yes
Leather Seats	Yes	Optional Optional
Leather Steering Wheel	Yes	Yes
Folding Table Rear	No	No
Foldable Rear Seat	No	Yes
Seat Lumbar Support	--	Yes
Heated Seats - Front	--	Optional Optional

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