1989 Audi 100 vs. 1975 Porsche 911
To start off, 1989 Audi 100 is newer by 14 year(s). Which means there will be less support and parts availability for 1975 Porsche 911. In addition, the cost of maintenance, including insurance, on 1975 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 911 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP @ 5500 RPM) has 170 more horse power than 1989 Audi 100. (90 HP @ 5200 RPM) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 1989 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1975 Porsche 911 weights approximately 105 kg more than 1989 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 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 1975 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1989 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, 1975 Porsche 911 (343 Nm @ 4000 RPM) has 198 more torque (in Nm) than 1989 Audi 100. (145 Nm @ 3000 RPM). This means 1975 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 100.
Compare all specifications:
| 1989 Audi 100 | 1975 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 100 | 911 |
| Year Released | 1989 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 1781 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 90 HP | 260 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 145 Nm | 343 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 95.1 mm |
| Engine Stroke Size | 86.4 mm | 70.4 mm |
| Engine Compression Ratio | 10.0:1 | 6.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1090 kg | 1195 kg |
| Vehicle Length | 4800 mm | 4300 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2690 mm | 2270 mm |
| Fuel Tank Capacity | 60 L | 79 L |
