2005 Audi A8 vs. 1991 Audi 80
To start off, 2005 Audi A8 is newer by 14 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 4,163 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 161 more horse power than 1991 Audi 80. (174 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 595 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, 2005 Audi A8 (431 Nm) has 182 more torque (in Nm) than 1991 Audi 80. (249 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 2005 Audi A8 | 1991 Audi 80 | |
| Make | Audi | Audi |
| Model | A8 | 80 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2771 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 174 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 431 Nm | 249 Nm |
| Engine Bore Size | 85 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 1400 kg |
| Vehicle Length | 5190 mm | 4490 mm |
| Vehicle Width | 1900 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 3080 mm | 2610 mm |
