Comparison Opel Signum (facelift 2005) 2.8i V6 24V Turbo (250 Hp) Automatic & BMW 7 Series (G11 LCI, facelift 2019) 730d (286 Hp) xDrive MHEV Steptronic
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| Brand: | Opel | BMW |
| Model: | Signum | 7 Series |
| Generation: | Signum (facelift 2005) | 7 Series (G11 LCI, facelift 2019) |
| Engine / modification: | 2.8i V6 24V Turbo (250 Hp) Automatic | 730d (286 Hp) xDrive MHEV Steptronic |
| Production start: | 2006 year | 2020 year |
| Production end: | 2008 year | |
| Coupe type: | Hatchback | Sedan |
| Num. of Doors: | 5 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 17.4 l/100 km | 6.3-6.5 l/100 km |
| Fuel consumption / economy - extra urban: | 7.6 l/100 km | 4.3-4.5 l/100 km |
| Fuel consumption / economy - combined: | 5.0-5.2 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.32 | 0.24 |
| Fuel tank volume: | 60 l | 78 l |
| Emission standard: | EURO 6d | |
| CO2 emissions: | 133-138 g/km | |
| Power: | 250 hp | 286 hp |
| Max power in: | 5500 rpm. | 4000 rpm. |
| Maximum speed: | 247 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 7.6 sec | 5.6 sec |
| Torque: | 350 Nm | 650 Nm @ 1500-2500 rpm. |
| Model Engine: | Z28NET | |
| Engine position: | Front, transverse | Front, longitudinal |
| Engine displacement: | 2792 cm3 | 2993 cm3 |
| Engine oil capacity: | 6.0 l | 7.0 l |
| Fuel System: | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbocharging | Twin-power turbo |
| Position of cylinders: | V engine | Inline |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.5 | 16.5 |
| Piston Stroke: | 74.8 mm | 90 mm |
| Cylinder Bore: | 89 mm | 84 mm |
| Electric motor power: | 11 | |
| Battery capacity: | 0.528 kWh | |
| Wheel Drive: | Front wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 | 8 Steptronic |
| Length: | 4651 mm | 5120 mm |
| Width: | 1798 mm | 1902 mm |
| Height: | 1466 mm | 1467 mm |
| Wheelbase: | 2830 mm | 3070 mm |
| Front track: | 1536 mm | 1617 mm |
| Rear (Back) track: | 1525 mm | 1646 mm |
| Ride height(clearance): | 135 mm | |
| Minimum volume of Luggage (trunk): | 365 l | 515 l |
| Maximum amount of Luggage (trunk): | 1410 l | |
| Front suspension: | Independent, spring | |
| Rear suspension: | Independent, spring | |
| Max weight: | 2175 kg | 2600 kg |
| Front brakes: | Disc | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 1580 kg | 1935 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Max. roof load: | 100 kg | |
| Minimum turning circle (turning diameter): | 12.6 m | |
| Permitted trailer load with brakes (12%): | 2100 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 100 kg | |
| Tire size: | 235/40 R18 | 225/60 R17 99Y |
| Wheel rims size: | R18 | 7.5J x 17 |