2004 BMW Z4 vs. 2003 Opel Signum
To start off, 2004 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (185 HP @ 6000 RPM) has 10 more horse power than 2003 Opel Signum. (175 HP @ 5500 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 279 kg more than 2004 BMW Z4.
Because 2004 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 2004 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 125 more torque (in Nm) than 2004 BMW Z4. (245 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
2004 BMW Z4 | 2003 Opel Signum | |
Make | BMW | Opel |
Model | Z4 | Signum |
Year Released | 2004 | 2003 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2494 cc | 2958 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 185 HP | 175 HP |
Engine RPM | 6000 RPM | 5500 RPM |
Torque | 245 Nm | 370 Nm |
Torque RPM | 3500 RPM | 1900 RPM |
Fuel Type | Gasoline - Premium | Diesel |
Drive Type | Rear | Front |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1296 kg | 1575 kg |
Vehicle Length | 4100 mm | 4640 mm |
Vehicle Width | 1790 mm | 1800 mm |
Vehicle Height | 1300 mm | 1470 mm |
Wheelbase Size | 2500 mm | 2840 mm |