2007 BMW 525 vs. 1999 Opel Omega
To start off, 2007 BMW 525 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 96 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 370 kg more than 2007 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 525 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, 2007 BMW 525 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, 1999 Opel Omega (459 Nm @ 4400 RPM) has 208 more torque (in Nm) than 2007 BMW 525. (251 Nm @ 2750 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525. 1999 Opel Omega has automatic transmission and 2007 BMW 525 has manual transmission. 2007 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 525 | 1999 Opel Omega | |
| Make | BMW | Opel |
| Model | 525 | Omega |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 311 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 251 Nm | 459 Nm |
| Torque RPM | 2750 RPM | 4400 RPM |
| Engine Bore Size | 78.8 mm | 99 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1280 kg | 1650 kg |
| Vehicle Length | 4850 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
