1991 Alfa Romeo SZ vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 108 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 125 kg more than 1991 Alfa Romeo SZ.
Because 1991 Alfa Romeo SZ 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 1991 Alfa Romeo SZ. 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, 1991 Alfa Romeo SZ (245 Nm @ 4500 RPM) has 15 more torque (in Nm) than 2005 Opel Astra. (230 Nm @ 1950 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | SZ | Astra |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 208 HP | 100 HP |
| Engine RPM | 6200 RPM | 4300 RPM |
| Torque | 245 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Top Speed | 233 km/hour | 183 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1385 kg |
| Vehicle Length | 4670 mm | 4260 mm |
| Vehicle Width | 1740 mm | 1720 mm |
| Vehicle Height | 1320 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
| Fuel Tank Capacity | 50 L | 52 L |
