2002 Audi S4 vs. 1991 Audi 100
To start off, 2002 Audi S4 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 4,163 cc (8 cylinders), 2002 Audi S4 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 225 more horse power than 1991 Audi 100. (114 HP @ 4250 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 295 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi S4 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, 2002 Audi S4 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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 145 more torque (in Nm) than 1991 Audi 100. (265 Nm @ 2250 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2002 Audi S4 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | S4 | 100 |
| Year Released | 2002 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2460 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 114 HP |
| Engine RPM | 7000 RPM | 4250 RPM |
| Torque | 410 Nm | 265 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1720 kg | 1425 kg |
| Vehicle Length | 4580 mm | 4800 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1450 mm |
