1999 Opel Omega vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 12 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 1,998 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (182 HP @ 5000 RPM) has 48 more horse power than 1999 Opel Omega. (134 HP @ 5600 RPM) In normal driving conditions, 2011 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 90 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 (270 Nm @ 1250 RPM) has 85 more torque (in Nm) than 1999 Opel Omega. (185 Nm @ 4000 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 1999 Opel Omega | 2011 BMW Z4 | |
| Make | Opel | BMW |
| Model | Omega | Z4 |
| Year Released | 1999 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 182 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 185 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 1250 RPM |
| Engine Bore Size | 86.1 mm | 90.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1570 kg | 1480 kg |
| Vehicle Length | 4900 mm | 4239 mm |
| Vehicle Width | 1790 mm | 1791 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2740 mm | 2497 mm |
