1991 Alfa Romeo SZ vs. 2002 Opel Omega
To start off, 2002 Opel Omega is newer by 11 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 66 more horse power than 2002 Opel Omega. (142 HP @ 5400 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2002 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Omega weights approximately 405 kg more than 1991 Alfa Romeo SZ.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 36 more torque (in Nm) than 2002 Opel Omega. (209 Nm @ 4000 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Omega.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2002 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | SZ | Omega |
| Year Released | 1991 | 2002 |
| Engine Position | Front | Middle |
| Engine Size | 2959 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 142 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 245 Nm | 209 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 72.6 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1665 kg |
| Vehicle Length | 4670 mm | 4900 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1320 mm | 1510 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
| Fuel Tank Capacity | 50 L | 75 L |
