1990 Opel Senator vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Opel Senator. In addition, the cost of maintenance, including insurance, on 1990 Opel Senator would be higher. At 2,969 cc (6 cylinders), 1990 Opel Senator is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 13 more horse power than 1990 Opel Senator. (202 HP @ 6000 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1990 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Senator weights approximately 208 kg more than 2009 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, 1990 Opel Senator (275 Nm @ 3600 RPM) has 25 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2750 RPM). This means 1990 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2009 BMW Z4 has automatic transmission and 1990 Opel Senator has manual transmission. 1990 Opel Senator will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Opel Senator | 2009 BMW Z4 | |
| Make | Opel | BMW |
| Model | Senator | Z4 |
| Year Released | 1990 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 215 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 275 Nm | 250 Nm |
| Torque RPM | 3600 RPM | 2750 RPM |
| Engine Bore Size | 95 mm | 82 mm |
| Engine Stroke Size | 69.8 mm | 78.8 mm |
| Engine Compression Ratio | 10.1:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 224 km/hour | 240 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1570 kg | 1362 kg |
| Vehicle Length | 4850 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1310 mm |
| Vehicle Height | 1460 mm | 1790 mm |
| Wheelbase Size | 2740 mm | 2500 mm |
| Fuel Tank Capacity | 75 L | 55 L |
