Comparison BMW i8 Roadster (I15) 1.5/11.6 kWh (374 Hp) Hybrid xDrive Automatic & BMW X3 (E83) 3.0i (231 Hp) Automatic
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| Brand: | BMW | BMW |
| Model: | i8 | X3 |
| Generation: | i8 Roadster (I15) | X3 (E83) |
| Engine / modification: | 1.5/11.6 kWh (374 Hp) Hybrid xDrive Automatic | 3.0i (231 Hp) Automatic |
| Production start: | 2017 year | 2003 year |
| Production end: | 2018 year | 2006 year |
| Coupe type: | Roadster | SUV |
| Num. of Doors: | 2 | 5 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - urban: | 17.4 l/100 km | |
| Fuel consumption / economy - extra urban: | 9.1 l/100 km | |
| Fuel consumption / economy - combined: | 2.1 l/100 km | 12.1 l/100 km |
| Fuel Type: | Petrol / electricity | Petrol (Gasoline) |
| Drag coefficient: | 0.28 | |
| Fuel tank volume: | 30 l | 67 l |
| Emission standard: | Euro 6 | EURO IV |
| CO2 emissions: | 46 g/km | |
| Power: | 231 hp | 231 hp |
| Max power in: | 5800 rpm. | 5900 rpm. |
| Maximum speed: | 250 km/h | 221 km/h |
| Acceleration from 0 to 100 km/h: | 4.6 sec | 8.1 sec |
| Torque: | 320 Nm @ 3700 rpm. | 300 Nm @ 3500 rpm. |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 1499 cm3 | 2979 cm3 |
| Fuel System: | Direct injection | Multi-point injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Number of cylinders: | 3 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.5 | 10.2 |
| Piston Stroke: | 94.6 mm | 89.6 mm |
| Cylinder Bore: | 82 mm | 84 mm |
| All-electric range: | 53 km | |
| Average Energy consumption: | 14.5 kWh/100 km | |
| Electric motor power: | 143 | |
| Electric motor Torque: | 250 Nm | |
| Battery capacity: | 11.6 kWh | |
| ICE Torque: | 320 Nm/3700 rpm. | |
| ICE power: | 231 hp | |
| System power: | 374 Hp hp/ rpm. | |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 | 5 |
| Length: | 4689 mm | 4569 mm |
| Width: | 1942 mm | 1853 mm |
| Height: | 1291 mm | 1674 mm |
| Wheelbase: | 2800 mm | 2795 mm |
| Front track: | 1644 mm | 1524 mm |
| Rear (Back) track: | 1721 mm | 1542 mm |
| Ride height(clearance): | 117 mm | 200 mm |
| Minimum volume of Luggage (trunk): | 88 l | 500 l |
| Maximum amount of Luggage (trunk): | 1560 l | |
| Front suspension: | Helical spring | |
| Rear suspension: | Helical spring | |
| Max weight: | 1965 kg | 2280 kg |
| Front brakes: | Disc | |
| Rear brakes: | Disc | |
| Kerb Weight: | 1595 kg | 1770 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 12.3 m | |
| Tire size: | 195/50 R20; 215/45 R20 | 235/55 R17 |
| Wheel rims size: | 7J x 20; 7.5J x 20 | 8.0J X 17 |