2011 BMW Z4 vs. 2005 Vauxhall Omega
To start off, 2011 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Vauxhall Omega. In addition, the cost of maintenance, including insurance, on 2005 Vauxhall Omega would be higher. At 2,198 cc (4 cylinders), 2005 Vauxhall Omega is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (244 HP @ 5000 RPM) has 102 more horse power than 2005 Vauxhall Omega. (142 HP @ 5400 RPM). In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2005 Vauxhall Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Vauxhall Omega weights approximately 118 kg more than 2011 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, 2011 BMW Z4 (350 Nm @ 1500 RPM) has 141 more torque (in Nm) than 2005 Vauxhall Omega. (209 Nm @ 4000 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Vauxhall Omega. 2005 Vauxhall Omega has automatic transmission and 2011 BMW Z4 has manual transmission. 2011 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Vauxhall Omega will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2011 BMW Z4 | 2005 Vauxhall Omega | |
| Make | BMW | Vauxhall |
| Model | Z4 | Omega |
| Year Released | 2011 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 244 HP | 142 HP |
| Engine RPM | 5000 RPM | 5400 RPM |
| Torque | 350 Nm | 209 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1490 kg | 1608 kg |
| Vehicle Length | 4239 mm | 4900 mm |
| Vehicle Width | 1791 mm | 1790 mm |
| Vehicle Height | 1290 mm | 1460 mm |
| Wheelbase Size | 2497 mm | 2740 mm |
