2009 BMW Z4 vs. 1971 Opel Admiral
To start off, 2009 BMW Z4 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Opel Admiral. In addition, the cost of maintenance, including insurance, on 1971 Opel Admiral would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (261 HP @ 6600 RPM) has 119 more horse power than 1971 Opel Admiral. (142 HP @ 5200 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1971 Opel Admiral. With that said, vehicle weight also plays an important factor in acceleration. 1971 Opel Admiral weights approximately 80 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 88 more torque (in Nm) than 1971 Opel Admiral. (227 Nm @ 3600 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Admiral.
Compare all specifications:
| 2009 BMW Z4 | 1971 Opel Admiral | |
| Make | BMW | Opel |
| Model | Z4 | Admiral |
| Year Released | 2009 | 1971 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 261 HP | 142 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 315 Nm | 227 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 85.1 mm | 92 mm |
| Engine Stroke Size | 88 mm | 69.8 mm |
| Engine Compression Ratio | 10.7:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1475 kg |
| Vehicle Length | 4100 mm | 4910 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1270 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Tank Capacity | 55 L | 80 L |
