2009 BMW Z4 vs. 2008 Opel Signum
To start off, 2009 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 1,998 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 25 more horse power than 2009 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 175 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Opel Signum (265 Nm @ 2500 RPM) has 65 more torque (in Nm) than 2009 BMW Z4. (200 Nm @ 3600 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
2009 BMW Z4 | 2008 Opel Signum | |
Make | BMW | Opel |
Model | Z4 | Signum |
Year Released | 2009 | 2008 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 1995 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 148 HP | 173 HP |
Engine RPM | 6200 RPM | 5500 RPM |
Torque | 200 Nm | 265 Nm |
Torque RPM | 3600 RPM | 2500 RPM |
Engine Compression Ratio | 10.5:1 | 9.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Acceleration 0-100mph | 8.2 seconds | 9.4 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1385 kg | 1560 kg |
Vehicle Length | 4100 mm | 4640 mm |
Vehicle Width | 1310 mm | 1800 mm |
Vehicle Height | 1790 mm | 1470 mm |
Wheelbase Size | 2500 mm | 2840 mm |
Fuel Consumption Overall | 7.5 L/100km | 9.2 L/100km |
Fuel Tank Capacity | 55 L | 60 L |