2006 BMW Z4 vs. 1990 Opel Omega
To start off, 2006 BMW Z4 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Opel Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Omega would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 74 more horse power than 1990 Opel Omega. (115 HP @ 5200 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 36 kg more than 1990 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 76 more torque (in Nm) than 1990 Opel Omega. (169 Nm @ 2600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 2006 BMW Z4 | 1990 Opel Omega | |
| Make | BMW | Opel |
| Model | Z4 | Omega |
| Year Released | 2006 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 115 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 245 Nm | 169 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Top Speed | 235 km/hour | 182 km/hour |
| Acceleration 0-100mph | 7 seconds | 12.5 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 | 1299 kg |
| Vehicle Length | 4100 mm | 4770 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
| Fuel Tank Capacity | 55 L | 70 L |
