2006 BMW Z4 vs. 1999 Opel Omega
To start off, 2006 BMW Z4 is newer by 7 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 2,498 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 66 more horse power than 1999 Opel Omega. (123 HP @ 4500 RPM). In normal driving conditions, 2006 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 400 kg more than 2006 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, 1999 Opel Omega (251 Nm @ 2200 RPM) has 6 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1999 Opel Omega | |
| Make | BMW | Opel |
| Model | Z4 | Omega |
| Year Released | 2006 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 123 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 245 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 75 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 235 km/hour | 195 km/hour |
| Acceleration 0-100mph | 7 seconds | 13 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 | 1335 kg | 1735 kg |
| Vehicle Length | 4100 mm | 4900 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1550 mm |
| Wheelbase Size | 2500 mm | 2640 mm |
| Fuel Tank Capacity | 55 L | 75 L |
