1977 Audi 100 vs. 2005 Audi RS4
To start off, 2005 Audi RS4 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 261 more horse power than 1977 Audi 100. (115 HP @ 5500 RPM) In normal driving conditions, 2005 Audi RS4 should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS4 weights approximately 425 kg more than 1977 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Audi 100. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 283 more torque (in Nm) than 1977 Audi 100. (166 Nm @ 4000 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 1977 Audi 100 | 2005 Audi RS4 | |
| Make | Audi | Audi |
| Model | 100 | RS4 |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2671 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 115 HP | 376 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 166 Nm | 449 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 8.2:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1585 kg |
| Vehicle Length | 4690 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2610 mm |
| Fuel Tank Capacity | 58 L | 55 L |
