2007 BMW Z4 vs. 2006 Opel Signum
To start off, 2007 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 2,494 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 62 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 245 kg more than 2007 BMW Z4.
Because 2007 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 30 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
2007 BMW Z4 | 2006 Opel Signum | |
Make | BMW | Opel |
Model | Z4 | Signum |
Year Released | 2007 | 2006 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2494 cc | 2198 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 215 HP | 153 HP |
Engine RPM | 6500 RPM | 5600 RPM |
Torque | 250 Nm | 220 Nm |
Torque RPM | 2750 RPM | 3800 RPM |
Engine Bore Size | 82 mm | 86 mm |
Engine Stroke Size | 78.8 mm | 94.6 mm |
Engine Compression Ratio | 10.5:1 | 12.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 227 km/hour | 211 km/hour |
Acceleration 0-100mph | 7.5 seconds | 9.8 seconds |
Drive Type | Rear | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1290 kg | 1535 kg |
Vehicle Length | 4100 mm | 4640 mm |
Vehicle Width | 1790 mm | 1800 mm |
Vehicle Height | 1310 mm | 1470 mm |
Wheelbase Size | 2500 mm | 2840 mm |
Fuel Consumption Overall | 9.5 L/100km | 8.3 L/100km |
Fuel Tank Capacity | 55 L | 60 L |