2007 BMW Z4 vs. 1999 Opel Omega
To start off, 2007 BMW Z4 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 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 73 more horse power than 1999 Opel Omega. (142 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 303 kg more than 2007 BMW Z4.
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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 47 more torque (in Nm) than 1999 Opel Omega. (203 Nm @ 4000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 2007 BMW Z4 | 1999 Opel Omega | |
| Make | BMW | Opel |
| Model | Z4 | Omega |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 142 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 203 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 240 km/hour | 202 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 11 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1362 kg | 1665 kg |
| Vehicle Length | 4100 mm | 4900 mm |
| Vehicle Width | 1310 mm | 1780 mm |
| Vehicle Height | 1790 mm | 1550 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 75 L |
