2009 Audi S4 vs. 1999 Opel Omega
To start off, 2009 Audi S4 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 4,163 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 7000 RPM) has 198 more horse power than 1999 Opel Omega. (142 HP @ 5800 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 735 kg more than 2009 Audi S4.
Because 2009 Audi S4 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, 2009 Audi S4 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, 2009 Audi S4 (410 Nm @ 3500 RPM) has 207 more torque (in Nm) than 1999 Opel Omega. (203 Nm @ 4000 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 2009 Audi S4 | 1999 Opel Omega | |
| Make | Audi | Opel |
| Model | S4 | Omega |
| Year Released | 2009 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 142 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 203 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1665 kg |
| Vehicle Length | 4580 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1550 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 75 L |
