1991 Audi 90 vs. 2004 Audi A6
To start off, 2004 Audi A6 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Audi 90. In addition, the cost of maintenance, including insurance, on 1991 Audi 90 would be higher. At 1,992 cc (5 cylinders), 1991 Audi 90 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (128 HP @ 5700 RPM) has 14 more horse power than 1991 Audi 90. (114 HP @ 5400 RPM) In normal driving conditions, 2004 Audi A6 should accelerate faster than 1991 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 285 kg more than 1991 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 A6 (195 Nm @ 3300 RPM) has 23 more torque (in Nm) than 1991 Audi 90. (172 Nm @ 4000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 90.
Compare all specifications:
| 1991 Audi 90 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | 90 | A6 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1992 cc | 1895 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 128 HP |
| Engine RPM | 5400 RPM | 5700 RPM |
| Torque | 172 Nm | 195 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1395 kg |
| Vehicle Length | 4400 mm | 4800 mm |
| Vehicle Width | 1700 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2580 mm |
