2002 Opel Omega vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 9 year(s). Which means there will be less support and parts availability for 2002 Opel Omega. In addition, the cost of maintenance, including insurance, on 2002 Opel Omega would be higher. At 2,497 cc (6 cylinders), 2002 Opel Omega is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (244 HP @ 5000 RPM) has 96 more horse power than 2002 Opel Omega. (148 HP @ 4000 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2002 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 5 kg more than 2002 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 Z4 (350 Nm @ 1500 RPM) has 50 more torque (in Nm) than 2002 Opel Omega. (300 Nm @ 1750 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Omega.
Compare all specifications:
| 2002 Opel Omega | 2011 BMW Z4 | |
| Make | Opel | BMW |
| Model | Omega | Z4 |
| Year Released | 2002 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 244 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 80 mm | 90.1 mm |
| Engine Stroke Size | 82.8 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 11.3 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1490 kg |
| Vehicle Length | 4900 mm | 4239 mm |
| Vehicle Width | 1780 mm | 1791 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2640 mm | 2497 mm |
| Fuel Consumption Overall | 5.6 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 75 L | 55 L |
