2002 Audi A4 vs. 1991 Audi 100
To start off, 2002 Audi A4 is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,224 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2002 Audi A4 (168 HP @ 5700 RPM) has 3 more horse power than 1991 Audi 100. (165 HP @ 5500 RPM). In normal driving conditions, 2002 Audi A4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 35 kg more than 2002 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1991 Audi 100 (240 Nm @ 3000 RPM) has 15 more torque (in Nm) than 2002 Audi A4. (225 Nm @ 1950 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A4.
Compare all specifications:
| 2002 Audi A4 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2002 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2224 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 165 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 225 Nm | 240 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Top Speed | 228 km/hour | 216 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1375 kg | 1410 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2700 mm |
