1981 Subaru Rex vs. 2004 Subaru Impreza
To start off, 2004 Subaru Impreza is newer by 23 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 1,994 cc (4 cylinders), 2004 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2004 Subaru Impreza (316 HP @ 5800 RPM) has 287 more horse power than 1981 Subaru Rex. (29 HP @ 6200 RPM) In normal driving conditions, 2004 Subaru Impreza should accelerate faster than 1981 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2004 Subaru Impreza weights approximately 935 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.
Because 2004 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1981 Subaru Rex. In wet, icy, snow, or gravel driving conditions, 2004 Subaru Impreza will offer significantly more control. 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 Subaru Impreza (420 Nm @ 4000 RPM) has 378 more torque (in Nm) than 1981 Subaru Rex. (42 Nm @ 3500 RPM). This means 2004 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 1981 Subaru Rex.
Compare all specifications:
| 1981 Subaru Rex | 2004 Subaru Impreza | |
| Make | Subaru | Subaru |
| Model | Rex | Impreza |
| Year Released | 1981 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 544 cc | 1994 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 29 HP | 316 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 42 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 535 kg | 1470 kg |
| Vehicle Length | 3000 mm | 4420 mm |
| Vehicle Width | 1300 mm | 1750 mm |
| Vehicle Height | 1290 mm | 1420 mm |
| Wheelbase Size | 1930 mm | 2530 mm |
