1991 Audi S2 vs. 1987 Opel Omega
To start off, 1991 Audi S2 is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Opel Omega. In addition, the cost of maintenance, including insurance, on 1987 Opel Omega would be higher. At 2,260 cc (4 cylinders), 1987 Opel Omega is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 141 more horse power than 1987 Opel Omega. (75 HP @ 4400 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1987 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 15 kg more than 1987 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1987 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 170 more torque (in Nm) than 1987 Opel Omega. (139 Nm @ 2400 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1987 Opel Omega.
Compare all specifications:
| 1991 Audi S2 | 1987 Opel Omega | |
| Make | Audi | Opel |
| Model | S2 | Omega |
| Year Released | 1991 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2260 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 75 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 309 Nm | 139 Nm |
| Torque RPM | 1950 RPM | 2400 RPM |
| Engine Bore Size | 81.1 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 85 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 1405 kg |
| Vehicle Length | 4410 mm | 4740 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2560 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 70 L |
