1991 Audi 100 vs. 2003 Audi RS4
To start off, 2003 Audi RS4 is newer by 12 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 2,671 cc (6 cylinders), 2003 Audi RS4 is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 151 more horse power than 1991 Audi 100. (226 HP @ 5900 RPM) In normal driving conditions, 2003 Audi RS4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 29 kg more than 2003 Audi RS4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2003 Audi RS4 (449 Nm @ 2500 RPM) has 99 more torque (in Nm) than 1991 Audi 100. (350 Nm @ 1950 RPM). This means 2003 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2003 Audi RS4 | |
| Make | Audi | Audi |
| Model | 100 | RS4 |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2671 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 226 HP | 377 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 350 Nm | 449 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1585 kg |
| Vehicle Length | 4800 mm | 4480 mm |
| Vehicle Width | 1810 mm | 1740 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2700 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 55 L |
