1991 Audi S2 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 2,226 cc (5 cylinders), 1991 Audi S2 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 82 more horse power than 1999 Opel Omega. (134 HP @ 5600 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 210 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Omega. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 will offer significantly more control. 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 Audi S2 (309 Nm @ 1950 RPM) has 124 more torque (in Nm) than 1999 Opel Omega. (185 Nm @ 4000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1991 Audi S2 | 1999 Opel Omega | |
| Make | Audi | Opel |
| Model | S2 | Omega |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1998 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 134 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 309 Nm | 185 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1420 kg | 1630 kg |
| Vehicle Length | 4410 mm | 4900 mm |
| Vehicle Width | 1720 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1510 mm |
| Wheelbase Size | 2560 mm | 2740 mm |
