1991 Audi 100 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 17 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), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 167 more horse power than 1991 Audi 100. (173 HP @ 5500 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 355 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 2008 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, 2008 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 161 more torque (in Nm) than 1991 Audi 100. (249 Nm @ 3000 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2008 Audi S4 | |
| Make | Audi | Audi |
| Model | 100 | S4 |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 173 HP | 340 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 249 Nm | 410 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 214 km/hour | 245 km/hour |
| Acceleration 0-100mph | 10 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1755 kg |
| Vehicle Length | 4800 mm | 4590 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2650 mm |
