1998 BMW Z3 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW Z3. In addition, the cost of maintenance, including insurance, on 1998 BMW Z3 would be higher. At 3,201 cc (6 cylinders), 1998 BMW Z3 is equipped with a bigger engine. In terms of performance, 1998 BMW Z3 (240 HP @ 7400 RPM) has 136 more horse power than 2005 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 1998 BMW Z3 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW Z3 weights approximately 160 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 BMW Z3 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 1998 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Astra, 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, 1998 BMW Z3 (320 Nm) has 170 more torque (in Nm) than 2005 Opel Astra. (150 Nm). This means 1998 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1998 BMW Z3 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | Z3 | Astra |
| Year Released | 1998 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3201 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 104 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 320 Nm | 150 Nm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1395 kg | 1235 kg |
| Vehicle Length | 4030 mm | 4300 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2450 mm | 2700 mm |
