1989 Audi 100 vs. 1981 Porsche 928
To start off, 1989 Audi 100 is newer by 8 year(s). Which means there will be less support and parts availability for 1981 Porsche 928. In addition, the cost of maintenance, including insurance, on 1981 Porsche 928 would be higher. At 4,472 cc (8 cylinders), 1981 Porsche 928 is equipped with a bigger engine. In terms of performance, 1981 Porsche 928 (238 HP @ 5250 RPM) has 148 more horse power than 1989 Audi 100. (90 HP @ 5200 RPM) In normal driving conditions, 1981 Porsche 928 should accelerate faster than 1989 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 928 weights approximately 360 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 1981 Porsche 928 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 928. 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, 1981 Porsche 928 (356 Nm @ 3600 RPM) has 211 more torque (in Nm) than 1989 Audi 100. (145 Nm @ 3000 RPM). This means 1981 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 100.
Compare all specifications:
| 1989 Audi 100 | 1981 Porsche 928 | |
| Make | Audi | Porsche |
| Model | 100 | 928 |
| Year Released | 1989 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4472 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 90 HP | 238 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 145 Nm | 356 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 95 mm |
| Engine Stroke Size | 86.4 mm | 78.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1090 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4450 mm |
| Vehicle Width | 1820 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 85 L |
