1991 Opel Omega vs. 2004 BMW Z4
To start off, 2004 BMW Z4 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega would be higher. At 2,494 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (185 HP @ 6000 RPM) has 75 more horse power than 1991 Opel Omega. (110 HP @ 5200 RPM) In normal driving conditions, 2004 BMW Z4 should accelerate faster than 1991 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Omega weights approximately 34 kg more than 2004 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, 2004 BMW Z4 (245 Nm @ 3500 RPM) has 83 more torque (in Nm) than 1991 Opel Omega. (162 Nm @ 4600 RPM). This means 2004 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Omega. 2004 BMW Z4 has automatic transmission and 1991 Opel Omega has manual transmission. 1991 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 Opel Omega | 2004 BMW Z4 | |
Make | Opel | BMW |
Model | Omega | Z4 |
Year Released | 1991 | 2004 |
Engine Position | Front | Front |
Engine Size | 1998 cc | 2494 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 110 HP | 185 HP |
Engine RPM | 5200 RPM | 6000 RPM |
Torque | 162 Nm | 245 Nm |
Torque RPM | 4600 RPM | 3500 RPM |
Engine Bore Size | 95 mm | 84 mm |
Engine Stroke Size | 69.8 mm | 75 mm |
Engine Compression Ratio | 9.4:1 | 11.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1330 kg | 1296 kg |
Vehicle Length | 4740 mm | 4100 mm |
Vehicle Width | 1780 mm | 1790 mm |
Vehicle Height | 1490 mm | 1300 mm |
Wheelbase Size | 2740 mm | 2500 mm |
Fuel Tank Capacity | 70 L | 55 L |