| General information |
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| Brand | BMW |
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| Model | i8 |
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| Generation | i8 Roadster (I15) |
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| Modification (Engine) | 1.5/11.6 kWh (374 Hp) xDrive Automatic |
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| Start of production | November, 2017 year |
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| End of production | September, 2018 year |
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| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
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| Body type | Roadster |
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| Seats | 2 |
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| Doors | 2 |
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| Performance specs |
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| Fuel consumption (economy) - combined (NEDC) |
2 l/100 km
117.61 US mpg141.24 UK mpg50 km/l |
| CO2 emissions (NEDC) | 46 g/km |
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| Fuel Type | petrol / electricity |
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| Acceleration 0 - 100 km/h | 4.6 sec |
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| Acceleration 0 - 62 mph | 4.6 sec |
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| Acceleration 0 - 60 mph | 4.4 sec |
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| Maximum speed |
250 km/h, Electronically limited
155.34 mph |
| Emission standard | Euro 6 |
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| Weight-to-power ratio | 4.3 kg/Hp, 234.5 Hp/tonne |
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| Weight-to-torque ratio | 2.8 kg/Nm, 357.4 Nm/tonne |
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| Electric cars and hybrids specs |
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| Gross battery capacity | 11.6 kWh |
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| Net (usable) battery capacity | 9.4 kWh |
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| Battery voltage | 355 V |
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| Battery technology | Lithium-ion (Li-Ion) |
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| Recuperation output | 60 kW |
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| All-electric range (NEDC) |
53 km
32.93 mi |
| Average Energy consumption (NEDC) |
14.5 kWh/100 km
23.34 kWh/100 mi144 MPGe6.9 km/kWh4.3 mi/kWh |
| Max speed (electric) |
120 km/h
74.56 mph |
| Electric motor 1 |
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| Electric motor power | 143 Hp @ 4800 rpm. |
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| Electric motor Torque |
250 Nm
184.39 lb.-ft. |
| Engine location | Front axle, Transverse |
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| System power | 374 Hp |
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| System torque |
570 Nm
420.41 lb.-ft. |
| Internal combustion engine specs |
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| Power | 231 Hp @ 5800 rpm. |
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| Power per litre | 154.1 Hp/l |
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| Torque |
320 Nm @ 3700 rpm.
236.02 lb.-ft. @ 3700 rpm. |
| Engine location | Rear, Transverse |
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| Engine Model/Code | B38K15T0 |
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| Engine displacement |
1499 cm3
91.47 cu. in. |
| Number of cylinders | 3 |
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| Position of cylinders | Inline |
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| Cylinder Bore |
82 mm
3.23 in. |
| Piston Stroke |
94.6 mm
3.72 in. |
| Compression ratio | 9.5 |
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| Number of valves per cylinder | 4 |
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| Fuel System | Direct injection |
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| Engine aspiration | Twin-power turbo, Intercooler |
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| Valvetrain | VALVETRONIC |
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| Engine oil capacity |
4.25 l
4.49 US qt | 3.74 UK qt |
| Oil viscosity | No Data |
| Engine oil specification |
| Engine systems | Start & Stop SystemParticulate filter |
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| Space, Volume and weights |
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| Kerb Weight |
1595 kg
3516.37 lbs. |
| Max. weight |
1965 kg
4332.08 lbs. |
| Max load |
370 kg
815.71 lbs. |
| Trunk (boot) space - minimum |
88 l
3.11 cu. ft. |
| Fuel tank capacity |
30 l
7.93 US gal | 6.6 UK gal |
| Dimensions |
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| Length |
4689 mm
184.61 in. |
| Width |
1942 mm
76.46 in. |
| Width including mirrors |
2218 mm
87.32 in. |
| Height |
1291 mm
50.83 in. |
| Wheelbase |
2800 mm
110.24 in. |
| Front track |
1644 mm
64.72 in. |
| Rear (Back) track |
1721 mm
67.76 in. |
| Front overhang |
960 mm
37.8 in. |
| Rear overhang |
929 mm
36.57 in. |
| Ride height (ground clearance) |
117 mm
4.61 in. |
| Drag coefficient (Cd) | 0.28 |
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| Minimum turning circle (turning diameter) |
12.3 m
40.35 ft. |
| Drivetrain, brakes and suspension specs |
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| Drivetrain Architecture | The Internal combustion engine (ICE) permanently drives the rear wheels of the vehicle, the electric motor drives the front wheels of the vehicle, capable of running in full electric mode, only by the Internal combustion engine (ICE) or in mixed mode. |
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| Drive wheel | All wheel drive (4x4) |
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| Number of Gears (automatic transmission) | 6 |
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| Front suspension | Double wishbone |
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| Rear suspension | Independent multi-link |
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| Front brakes | Ventilated discs |
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| Rear brakes | Ventilated discs |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Steering rack and pinion |
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| Power steering | Electric Steering |
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| Tires size | Front wheel tires: 195/50 R20Rear wheel tires: 215/45 R20 |
| Wheel rims size | Front wheel rims: 7J x 20Rear wheel rims: 7.5J x 20 |
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