2009 BMW 740 vs. 2005 Opel Omega
To start off, 2009 BMW 740 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Omega. In addition, the cost of maintenance, including insurance, on 2005 Opel Omega would be higher. At 3,901 cc (8 cylinders), 2009 BMW 740 is equipped with a bigger engine. In terms of performance, 2009 BMW 740 (254 HP @ 4000 RPM) has 76 more horse power than 2005 Opel Omega. (178 HP @ 3400 RPM). In normal driving conditions, 2009 BMW 740 should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 740 weights approximately 405 kg more than 2005 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, 2009 BMW 740 (600 Nm @ 1900 RPM) has 360 more torque (in Nm) than 2005 Opel Omega. (240 Nm @ 3400 RPM). This means 2009 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega.
Compare all specifications:
| 2009 BMW 740 | 2005 Opel Omega | |
| Make | BMW | Opel |
| Model | 740 | Omega |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 2597 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 178 HP |
| Engine RPM | 4000 RPM | 3400 RPM |
| Torque | 600 Nm | 240 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 83.2 mm |
| Engine Stroke Size | 88 mm | 79.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2090 kg | 1685 kg |
| Vehicle Length | 5040 mm | 4900 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 3000 mm | 2520 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 88 L | 75 L |
