2005 Audi A6 vs. 1981 Audi 80
To start off, 2005 Audi A6 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Audi 80. In addition, the cost of maintenance, including insurance, on 1981 Audi 80 would be higher. At 2,976 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 111 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1981 Audi 80.
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, 2005 Audi A6 (320 Nm @ 3250 RPM) has 144 more torque (in Nm) than 1981 Audi 80. (176 Nm @ 4500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 80. 2005 Audi A6 has automatic transmission and 1981 Audi 80 has manual transmission. 1981 Audi 80 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 1981 Audi 80 | |
| Make | Audi | Audi |
| Model | A6 | 80 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 136 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 320 Nm | 176 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 13.0:1 | 9.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4940 mm | 4390 mm |
| Vehicle Width | 1870 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1360 mm |
| Wheelbase Size | 2850 mm | 2550 mm |
