2007 BMW Convertible vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible would be higher. At 4,797 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 209 more horse power than 2008 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 315 kg more than 2008 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3900 RPM) has 270 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum. 2007 BMW Convertible has automatic transmission and 2008 Opel Signum has manual transmission. 2008 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW Convertible | 2008 Opel Signum | |
Make | BMW | Opel |
Model | Convertible | Signum |
Year Released | 2007 | 2008 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 4797 cc | 2197 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 362 HP | 153 HP |
Engine RPM | 6300 RPM | 5600 RPM |
Torque | 490 Nm | 220 Nm |
Torque RPM | 3900 RPM | 3800 RPM |
Engine Compression Ratio | 10.5:1 | 12.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 250 km/hour | 211 km/hour |
Acceleration 0-100mph | 5.8 seconds | 9.8 seconds |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1850 kg | 1535 kg |
Vehicle Length | 4830 mm | 4640 mm |
Vehicle Width | 1380 mm | 1800 mm |
Vehicle Height | 1860 mm | 1470 mm |
Wheelbase Size | 2790 mm | 2840 mm |
Fuel Tank Capacity | 70 L | 60 L |