1990 Alfa Romeo SZ vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 14 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo SZ would be higher. At 2,957 cc (6 cylinders), 1990 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1990 Alfa Romeo SZ (208 HP @ 6200 RPM) has 43 more horse power than 2004 Opel Vectra. (165 HP @ 5400 RPM). In normal driving conditions, 1990 Alfa Romeo SZ should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 115 kg more than 1990 Alfa Romeo SZ.
Because 1990 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 1990 Alfa Romeo SZ. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Vectra (266 Nm @ 2500 RPM) has 21 more torque (in Nm) than 1990 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo SZ.
Compare all specifications:
| 1990 Alfa Romeo SZ | 2004 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | SZ | Vectra |
| Year Released | 1990 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 165 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 245 Nm | 266 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 72.6 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 230 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 | 1375 kg |
| Vehicle Length | 4290 mm | 4600 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
| Fuel Tank Capacity | 50 L | 60 L |
