2009 Audi A5 vs. 1989 Audi 100
To start off, 2009 Audi A5 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Audi 100. In addition, the cost of maintenance, including insurance, on 1989 Audi 100 would be higher. At 2,698 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (187 HP @ 3500 RPM) has 73 more horse power than 1989 Audi 100. (114 HP @ 5400 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1989 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 325 kg more than 1989 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, 2009 Audi A5 (400 Nm @ 1400 RPM) has 225 more torque (in Nm) than 1989 Audi 100. (175 Nm @ 4000 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 100.
Compare all specifications:
| 2009 Audi A5 | 1989 Audi 100 | |
| Make | Audi | Audi |
| Model | A5 | 100 |
| Year Released | 2009 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1992 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 187 HP | 114 HP |
| Engine RPM | 3500 RPM | 5400 RPM |
| Torque | 400 Nm | 175 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 83.1 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1575 kg | 1250 kg |
| Vehicle Length | 4630 mm | 4800 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2700 mm |
