1979 Audi 100 vs. 2003 Audi RS4
To start off, 2003 Audi RS4 is newer by 24 year(s). Which means there will be less support and parts availability for 1979 Audi 100. In addition, the cost of maintenance, including insurance, on 1979 Audi 100 would be higher. At 2,671 cc (6 cylinders), 2003 Audi RS4 is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 292 more horse power than 1979 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2003 Audi RS4 should accelerate faster than 1979 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS4 weights approximately 475 kg more than 1979 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Audi 100. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS4 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, 2003 Audi RS4 (449 Nm @ 2500 RPM) has 325 more torque (in Nm) than 1979 Audi 100. (124 Nm @ 3200 RPM). This means 2003 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Audi 100.
Compare all specifications:
| 1979 Audi 100 | 2003 Audi RS4 | |
| Make | Audi | Audi |
| Model | 100 | RS4 |
| Year Released | 1979 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 377 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 124 Nm | 449 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1585 kg |
| Vehicle Length | 4600 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1740 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2680 mm | 2610 mm |
