1987 BMW Z1 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 16 year(s). Which means there will be less support and parts availability for 1987 BMW Z1. In addition, the cost of maintenance, including insurance, on 1987 BMW Z1 would be higher. At 2,494 cc (6 cylinders), 1987 BMW Z1 is equipped with a bigger engine. In terms of performance, 1987 BMW Z1 (175 HP @ 5800 RPM) has 2 more horse power than 2003 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 1987 BMW Z1 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 260 kg more than 1987 BMW Z1.
Because 1987 BMW Z1 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 1987 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Vectra (270 Nm @ 2500 RPM) has 40 more torque (in Nm) than 1987 BMW Z1. (230 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW Z1.
Compare all specifications:
| 1987 BMW Z1 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | Z1 | Vectra |
| Year Released | 1987 | 2003 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 173 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1510 kg |
| Vehicle Length | 3960 mm | 4600 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1280 mm | 1470 mm |
| Wheelbase Size | 2450 mm | 2840 mm |
