1985 Audi 100 vs. 1981 Porsche 911
To start off, 1985 Audi 100 is newer by 4 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, 1981 Porsche 911 (232 HP @ 5900 RPM) has 143 more horse power than 1985 Audi 100. (89 HP @ 5200 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1985 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 911 weights approximately 115 kg more than 1985 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1985 Audi 100, being front wheel drive (FWD), will offer much better control with better grip. 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 Porsche 911 (284 Nm @ 4800 RPM) has 139 more torque (in Nm) than 1985 Audi 100. (145 Nm @ 3000 RPM). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 100.
Compare all specifications:
| 1985 Audi 100 | 1981 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 100 | 911 |
| Year Released | 1985 | 1981 |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 232 HP |
| Engine RPM | 5200 RPM | 5900 RPM |
| Torque | 145 Nm | 284 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Engine Bore Size | 81 mm | 95 mm |
| Engine Stroke Size | 86.4 mm | 74.4 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Top Speed | 176 km/hour | 246 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1260 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2700 mm | 2270 mm |
| Fuel Tank Capacity | 60 L | 80 L |
