2002 BMW Z4 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 3,175 cc (6 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2002 BMW Z4 (227 HP @ 5900 RPM) has 19 more horse power than 2006 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 2002 BMW Z4 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 240 kg more than 2002 BMW Z4.
Because 2002 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 2002 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2002 BMW Z4 has automatic transmission and 2006 Opel Vectra has manual transmission. 2006 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 BMW Z4 | 2006 Opel Vectra | |
| Make | BMW | Opel |
| Model | Z4 | Vectra |
| Year Released | 2002 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 208 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 89.6 mm | 88 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Top Speed | 244 km/hour | 248 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 7.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1386 kg | 1626 kg |
| Vehicle Length | 4100 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Consumption Overall | 9.5 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
