2005 Audi A8 vs. 1985 Audi 100
To start off, 2005 Audi A8 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Audi 100. In addition, the cost of maintenance, including insurance, on 1985 Audi 100 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 201 more horse power than 1985 Audi 100. (134 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1985 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 699 kg more than 1985 Audi 100. 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 245 more torque (in Nm) than 1985 Audi 100. (186 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 100.
Compare all specifications:
| 2005 Audi A8 | 1985 Audi 100 | |
| Make | Audi | Audi |
| Model | A8 | 100 |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2226 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 134 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 431 Nm | 186 Nm |
| Engine Bore Size | 85 mm | 81 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 | 1296 kg |
| Vehicle Length | 5190 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2700 mm |
