1989 BMW Z1 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1989 BMW Z1. In addition, the cost of maintenance, including insurance, on 1989 BMW Z1 would be higher. At 2,494 cc (6 cylinders), 1989 BMW Z1 is equipped with a bigger engine. In terms of performance, 1989 BMW Z1 (175 HP @ 5800 RPM) has 22 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1989 BMW Z1 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 285 kg more than 1989 BMW Z1.
Because 1989 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 1989 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, 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, 1989 BMW Z1 (231 Nm @ 4000 RPM) has 11 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 1989 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 1989 BMW Z1 | 2007 Opel Signum | |
| Make | BMW | Opel |
| Model | Z1 | Signum |
| Year Released | 1989 | 2007 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 153 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 231 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1535 kg |
| Vehicle Length | 3960 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1280 mm | 1470 mm |
| Wheelbase Size | 2450 mm | 2840 mm |
