1999 Opel Omega vs. 2003 Porsche 911
To start off, 2003 Porsche 911 is newer by 4 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 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 320 more horse power than 1999 Opel Omega. (123 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 34 kg more than 1999 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Porsche 911 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, 2003 Porsche 911 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, 2003 Porsche 911 (620 Nm @ 2700 RPM) has 350 more torque (in Nm) than 1999 Opel Omega. (270 Nm @ 1600 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 2003 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Omega | 911 |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Rear |
| Engine Size | 2171 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 123 HP | 443 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 270 Nm | 620 Nm |
| Torque RPM | 1600 RPM | 2700 RPM |
| Engine Bore Size | 84.1 mm | 100 mm |
| Engine Stroke Size | 98 mm | 76.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Acceleration 0-100mph | 12.5 seconds | 4.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1704 kg |
| Vehicle Length | 4900 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
| Fuel Tank Capacity | 75 L | 64 L |
