1999 Opel Omega vs. 2005 BMW 525
To start off, 2005 BMW 525 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 2,497 cc (6 cylinders), 2005 BMW 525 is equipped with a bigger engine. In terms of performance, 2005 BMW 525 (161 HP @ 4000 RPM) has 27 more horse power than 1999 Opel Omega. (134 HP @ 5600 RPM) In normal driving conditions, 2005 BMW 525 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 80 kg more than 2005 BMW 525.
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, 2005 BMW 525 (351 Nm @ 2000 RPM) has 166 more torque (in Nm) than 1999 Opel Omega. (185 Nm @ 4000 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega. 2005 BMW 525 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 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Omega | 2005 BMW 525 | |
| Make | Opel | BMW |
| Model | Omega | 525 |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 161 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 185 Nm | 351 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86.1 mm | 80 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1570 kg | 1490 kg |
| Vehicle Length | 4900 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2730 mm |
