2009 BMW Z4 vs. 1981 Alpina B 10
To start off, 2009 BMW Z4 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Alpina B 10. In addition, the cost of maintenance, including insurance, on 1981 Alpina B 10 would be higher. At 3,500 cc (6 cylinders), 1981 Alpina B 10 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alpina B 10 weights approximately 155 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, 1981 Alpina B 10 (469 Nm) has 239 more torque (in Nm) than 2009 BMW Z4. (230 Nm). This means 1981 Alpina B 10 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 1981 Alpina B 10 | |
| Make | BMW | Alpina |
| Model | Z4 | B 10 |
| Year Released | 2009 | 1981 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 176 HP | 0 HP |
| Torque | 230 Nm | 469 Nm |
| Top Speed | 229 km/hour | 251 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1500 kg |
| Vehicle Length | 4100 mm | 5020 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
