1981 Porsche 911 vs. 2005 Subaru Impreza
To start off, 2005 Subaru Impreza is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1981 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Subaru Impreza (261 HP @ 4000 RPM) has 29 more horse power than 1981 Porsche 911. (232 HP @ 5900 RPM) In normal driving conditions, 2005 Subaru Impreza should accelerate faster than 1981 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Subaru Impreza weights approximately 285 kg more than 1981 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 1981 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Subaru Impreza (343 Nm @ 4000 RPM) has 59 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 2005 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 1981 Porsche 911 | 2005 Subaru Impreza | |
| Make | Porsche | Subaru |
| Model | 911 | Impreza |
| Year Released | 1981 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3164 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 232 HP | 261 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 284 Nm | 343 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 8.0:1 |
| Top Speed | 246 km/hour | 233 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 5.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1545 kg |
| Vehicle Length | 4300 mm | 4410 mm |
| Vehicle Width | 1660 mm | 1740 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2270 mm | 2660 mm |
| Fuel Tank Capacity | 80 L | 60 L |
