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 2,494 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (185 HP @ 6000 RPM) has 33 more horse power than 2003 Opel Signum. (152 HP @ 5600 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 269 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, 2004 BMW Z4 (245 Nm @ 3500 RPM) has 25 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2004 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
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 | 2171 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 185 HP | 152 HP |
Engine RPM | 6000 RPM | 5600 RPM |
Torque | 245 Nm | 220 Nm |
Torque RPM | 3500 RPM | 3800 RPM |
Engine Bore Size | 84 mm | 86 mm |
Engine Stroke Size | 75 mm | 94.6 mm |
Engine Compression Ratio | 11.0:1 | 12.0:1 |
Top Speed | 235 km/hour | 206 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1296 kg | 1565 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 |
Fuel Consumption Highway | 8.4 L/100km | 7.2 L/100km |
Fuel Consumption City | 11.8 L/100km | 12.4 L/100km |
Fuel Consumption Overall | 10.2 L/100km | 9.1 L/100km |
Fuel Tank Capacity | 55 L | 60 L |