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 2,962 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (211 HP @ 6000 RPM) has 22 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 429 kg more than 2006 BMW Z4. 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, 1999 Opel Omega (280 Nm @ 3400 RPM) has 35 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. 1999 Opel Omega has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Omega will be easier to drive especially in heavy traffic.
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 | 2962 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 189 HP | 211 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 75 mm | 85 mm |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Top Speed | 235 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7 seconds | 10 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1764 kg |
| Vehicle Length | 4100 mm | 4900 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1550 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 75 L |
