2004 Audi RS6 vs. 1991 Audi 100
To start off, 2004 Audi RS6 is newer by 13 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), 2004 Audi RS6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 272 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 404 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.
Let's talk about torque, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 310 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2004 Audi RS6 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | RS6 | 100 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2771 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 172 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 560 Nm | 250 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1910 kg | 1506 kg |
| Vehicle Length | 4860 mm | 4800 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1450 mm |
