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 2,594 cc (6 cylinders), 1990 Opel Omega is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 40 more horse power than 1990 Opel Omega. (149 HP @ 5600 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. 1990 Opel Omega weights approximately 130 kg more than 2006 BMW Z4.
Let's talk about torque, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 21 more torque (in Nm) than 1990 Opel Omega. (224 Nm @ 3600 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 | 2594 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 149 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 245 Nm | 224 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1335 kg | 1465 kg |
| Vehicle Length | 4100 mm | 4740 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
