2007 Alpina B5 vs. 1981 Subaru Rex
To start off, 2007 Alpina B5 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Subaru Rex. In addition, the cost of maintenance, including insurance, on 1981 Subaru Rex would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 464 more horse power than 1981 Subaru Rex. (29 HP @ 6200 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 1981 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 1187 kg more than 1981 Subaru Rex. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 658 more torque (in Nm) than 1981 Subaru Rex. (42 Nm @ 3500 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Subaru Rex. 2007 Alpina B5 has automatic transmission and 1981 Subaru Rex has manual transmission. 1981 Subaru Rex will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B5 | 1981 Subaru Rex | |
| Make | Alpina | Subaru |
| Model | B5 | Rex |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 544 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 29 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 700 Nm | 42 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1722 kg | 535 kg |
| Vehicle Length | 4850 mm | 3000 mm |
| Vehicle Width | 1850 mm | 1300 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 1930 mm |
