1991 Audi 100 vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 15 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), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (415 HP @ 7800 RPM) has 302 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 525 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 2006 Audi RS4 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, 2006 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 166 more torque (in Nm) than 1991 Audi 100. (264 Nm @ 2250 RPM). This means 2006 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 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | 100 | RS4 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2461 cc | 4163 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 415 HP |
| Engine RPM | 4000 RPM | 7800 RPM |
| Torque | 264 Nm | 430 Nm |
| Torque RPM | 2250 RPM | 5500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 21.0:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 193 km/hour | 250 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1845 kg |
| Vehicle Length | 4800 mm | 4560 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2700 mm | 2660 mm |
| Fuel Consumption Overall | 4.8 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
