1991 Audi 80 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 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 2,771 cc (6 cylinders), 1991 Audi 80 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (248 HP @ 5800 RPM) has 74 more horse power than 1991 Audi 80. (174 HP @ 5500 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 320 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.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi 80. In wet, icy, snow, or gravel driving conditions, 2004 Audi A6 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, 2004 Audi A6 (350 Nm @ 1800 RPM) has 101 more torque (in Nm) than 1991 Audi 80. (249 Nm @ 3000 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:
| 1991 Audi 80 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | 80 | A6 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 174 HP | 248 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 249 Nm | 350 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 9.0:1 |
| Top Speed | 220 km/hour | 246 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1720 kg |
| Vehicle Length | 4490 mm | 4800 mm |
| Vehicle Width | 1710 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2610 mm | 2770 mm |
