1991 BMW Z1 vs. 2010 Opel Insignia
To start off, 2010 Opel Insignia is newer by 19 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,792 cc (6 cylinders), 2010 Opel Insignia is equipped with a bigger engine. In terms of performance, 2010 Opel Insignia (321 HP @ 5500 RPM) has 146 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2010 Opel Insignia should accelerate faster than 1991 BMW Z1.
Because 2010 Opel Insignia is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2010 Opel Insignia will offer significantly more control. 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, 2010 Opel Insignia (435 Nm @ 5500 RPM) has 205 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2010 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1.
Compare all specifications:
| 1991 BMW Z1 | 2010 Opel Insignia | |
| Make | BMW | Opel |
| Model | Z1 | Insignia |
| Year Released | 1991 | 2010 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 321 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 435 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 3960 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1856 mm |
| Vehicle Height | 1280 mm | 1498 mm |
| Wheelbase Size | 2450 mm | 2737 mm |
