1999 Audi A4 vs. 1991 Audi 100
To start off, 1999 Audi A4 is newer by 8 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 2,461 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (150 HP) has 37 more horse power than 1991 Audi 100. (113 HP). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1991 Audi 100.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 100. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 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, 1991 Audi 100 (265 Nm) has 55 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2461 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 113 HP |
| Torque | 210 Nm | 265 Nm |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Top Speed | 220 km/hour | 187 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4480 mm | 4810 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2610 mm | 2700 mm |
