1999 Opel Omega vs. 2005 BMW 520
To start off, 2005 BMW 520 is newer by 6 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 2,498 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2005 BMW 520 (168 HP @ 6000 RPM) has 45 more horse power than 1999 Opel Omega. (123 HP @ 4500 RPM) In normal driving conditions, 2005 BMW 520 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 175 kg more than 2005 BMW 520.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (251 Nm @ 2200 RPM) has 40 more torque (in Nm) than 2005 BMW 520. (211 Nm @ 3500 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 520. 2005 BMW 520 has automatic transmission and 1999 Opel Omega has manual transmission. 1999 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 520 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Omega | 2005 BMW 520 | |
| Make | Opel | BMW |
| Model | Omega | 520 |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2498 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 168 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 251 Nm | 211 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 80 mm |
| Engine Stroke Size | 82.8 mm | 72 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 195 km/hour | 230 km/hour |
| Acceleration 0-100mph | 13 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1735 kg | 1560 kg |
| Vehicle Length | 4900 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1550 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2950 mm |
| Fuel Tank Capacity | 75 L | 70 L |
