2004 Audi A6 vs. 1991 Audi 80
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 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 1,984 cc (4 cylinders), 1991 Audi 80 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (138 HP @ 4000 RPM) has 23 more horse power than 1991 Audi 80. (115 HP @ 5400 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 300 kg more than 1991 Audi 80. 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 (320 Nm @ 1750 RPM) has 152 more torque (in Nm) than 1991 Audi 80. (168 Nm @ 3200 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 2004 Audi A6 | 1991 Audi 80 | |
| Make | Audi | Audi |
| Model | A6 | 80 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 115 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 320 Nm | 168 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Compression Ratio | 19.5:1 | 10.4:1 |
| Top Speed | 205 km/hour | 190 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1240 kg |
| Vehicle Length | 4920 mm | 4490 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 66 L |
