1999 BMW Z9 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 122 more horse power than 2004 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 140 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 BMW Z9 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 1999 BMW Z9. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 393 more torque (in Nm) than 2004 Opel Vectra. (167 Nm @ 3800 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 1999 BMW Z9 | 2004 Opel Vectra | |
| Make | BMW | Opel |
| Model | Z9 | Vectra |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 242 HP | 120 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 560 Nm | 167 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1490 kg |
| Vehicle Length | 5010 mm | 4830 mm |
| Vehicle Width | 1980 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1510 mm |
| Wheelbase Size | 3060 mm | 2710 mm |
