2007 Audi A4 vs. 1999 Opel Omega
To start off, 2007 Audi A4 is newer by 8 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 5,663 cc (8 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (311 HP @ 5600 RPM) has 110 more horse power than 2007 Audi A4. (201 HP @ 5100 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 230 kg more than 1999 Opel Omega.
Because 1999 Opel Omega 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 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, 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, 1999 Opel Omega (459 Nm @ 4400 RPM) has 178 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 1999 Opel Omega | |
| Make | Audi | Opel |
| Model | A4 | Omega |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 311 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 281 Nm | 459 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 99 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 1880 kg | 1650 kg |
| Vehicle Length | 4590 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
