1999 Opel Omega vs. 2011 BMW 520
To start off, 2011 BMW 520 is newer by 12 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 2,497 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2011 BMW 520 (182 HP @ 4000 RPM) has 52 more horse power than 1999 Opel Omega. (130 HP @ 4500 RPM) In normal driving conditions, 2011 BMW 520 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 520 weights approximately 840 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.
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, 2011 BMW 520 (380 Nm @ 2750 RPM) has 130 more torque (in Nm) than 1999 Opel Omega. (250 Nm @ 2200 RPM). This means 2011 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 2011 BMW 520 | |
| Make | Opel | BMW |
| Model | Omega | 520 |
| Year Released | 1999 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 182 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 250 Nm | 380 Nm |
| Torque RPM | 2200 RPM | 2750 RPM |
| Engine Bore Size | 80 mm | 90 mm |
| Engine Stroke Size | 82.8 mm | 84 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 195 km/hour | 227 km/hour |
| Acceleration 0-100mph | 12.5 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 855 kg | 1695 kg |
| Vehicle Length | 4900 mm | 4899 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1464 mm |
| Wheelbase Size | 2640 mm | 2968 mm |
| Fuel Tank Capacity | 75 L | 70 L |
