2004 BMW Z4 vs. 2012 Opel Insignia
To start off, 2012 Opel Insignia is newer by 8 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,171 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2012 Opel Insignia (177 HP @ 5500 RPM) has 9 more horse power than 2004 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2012 Opel Insignia should accelerate faster 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, 2012 Opel Insignia, 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, 2012 Opel Insignia (230 Nm @ 2200 RPM) has 20 more torque (in Nm) than 2004 BMW Z4. (210 Nm @ 3500 RPM). This means 2012 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2012 Opel Insignia | |
| Make | BMW | Opel |
| Model | Z4 | Insignia |
| Year Released | 2004 | 2012 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 177 HP |
| Engine RPM | 6250 RPM | 5500 RPM |
| Torque | 210 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1856 mm |
| Vehicle Height | 1310 mm | 1498 mm |
| Wheelbase Size | 2500 mm | 2737 mm |
