2001 Opel Signum vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 10 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (335 HP @ 5900 RPM) has 127 more horse power than 2001 Opel Signum. (208 HP @ 6200 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2001 Opel Signum.
Because 2011 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2011 BMW Z4 (450 Nm @ 1500 RPM) has 150 more torque (in Nm) than 2001 Opel Signum. (300 Nm @ 4000 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 2001 Opel Signum | 2011 BMW Z4 | |
| Make | Opel | BMW |
| Model | Signum | Z4 |
| Year Released | 2001 | 2011 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 335 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 300 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1610 kg |
| Vehicle Length | 4640 mm | 4242 mm |
| Vehicle Width | 1800 mm | 1791 mm |
| Vehicle Height | 1470 mm | 1285 mm |
| Wheelbase Size | 2640 mm | 2497 mm |
| Fuel Tank Capacity | 52 L | 55 L |
