2008 BMW Z4 vs. 1999 Opel Signum
To start off, 2008 BMW Z4 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 2,496 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6500 RPM) has 92 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 250 kg more than 2008 BMW Z4.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Signum (271 Nm @ 1500 RPM) has 21 more torque (in Nm) than 2008 BMW Z4. (250 Nm @ 2750 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 1999 Opel Signum has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 1999 Opel Signum | |
| Make | BMW | Opel |
| Model | Z4 | Signum |
| Year Released | 2008 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 123 HP |
| Engine RPM | 6500 RPM | 3250 RPM |
| Torque | 250 Nm | 271 Nm |
| Torque RPM | 2750 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 240 km/hour | 201 km/hour |
| Acceleration 0-100mph | 7 seconds | 11.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1610 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 | 8.4 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
