1987 Audi 90 vs. 2004 Audi RS6
To start off, 2004 Audi RS6 is newer by 17 year(s). Which means there will be less support and parts availability for 1987 Audi 90. In addition, the cost of maintenance, including insurance, on 1987 Audi 90 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 309 more horse power than 1987 Audi 90. (135 HP @ 5500 RPM) In normal driving conditions, 2004 Audi RS6 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 600 kg more than 1987 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 374 more torque (in Nm) than 1987 Audi 90. (186 Nm @ 4000 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90.
Compare all specifications:
| 1987 Audi 90 | 2004 Audi RS6 | |
| Make | Audi | Audi |
| Model | 90 | RS6 |
| Year Released | 1987 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4163 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 135 HP | 444 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 186 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1910 kg |
| Vehicle Length | 4400 mm | 4860 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2690 mm | 2770 mm |
| Fuel Consumption Overall | 4.8 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 80 L | 82 L |
