1989 Alfa Romeo SZ vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo SZ would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 1989 Alfa Romeo SZ (208 HP @ 6200 RPM) has 1 more horse power than 2003 Opel Signum. (207 HP @ 6200 RPM). In normal driving conditions, 1989 Alfa Romeo SZ should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 353 kg more than 1989 Alfa Romeo SZ.
Because 1989 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 1989 Alfa Romeo SZ. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 55 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo SZ. 2003 Opel Signum has automatic transmission and 1989 Alfa Romeo SZ has manual transmission. 1989 Alfa Romeo SZ will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Alfa Romeo SZ | 2003 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | SZ | Signum |
| Year Released | 1989 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 207 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 245 Nm | 300 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 72.6 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 245 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7 seconds | 8.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1260 kg | 1613 kg |
| Vehicle Length | 4070 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Consumption Highway | 9.2 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.2 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 7.9 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 50 L | 60 L |
