2006 BMW Z4 vs. 2002 Opel Vectra
To start off, 2006 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2002 Opel Vectra would be higher. At 1,995 cc (4 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (148 HP @ 6200 RPM) has 49 more horse power than 2002 Opel Vectra. (99 HP @ 4400 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2002 Opel Vectra.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2002 Opel Vectra, 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, 2002 Opel Vectra (251 Nm @ 1500 RPM) has 51 more torque (in Nm) than 2006 BMW Z4. (200 Nm @ 3600 RPM). This means 2002 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2002 Opel Vectra | |
| Make | BMW | Opel |
| Model | Z4 | Vectra |
| Year Released | 2006 | 2002 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 99 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 200 Nm | 251 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| 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 | 4600 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 61 L |
