2009 Audi A5 vs. 1990 Audi 90
To start off, 2009 Audi A5 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Audi 90. In addition, the cost of maintenance, including insurance, on 1990 Audi 90 would be higher. At 2,299 cc (5 cylinders), 1990 Audi 90 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (168 HP) has 38 more horse power than 1990 Audi 90. (130 HP). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1990 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 261 kg more than 1990 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Audi 90 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. In wet, icy, snow, or gravel driving conditions, 1990 Audi 90 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, 2009 Audi A5 (250 Nm) has 66 more torque (in Nm) than 1990 Audi 90. (184 Nm). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1990 Audi 90.
Compare all specifications:
| 2009 Audi A5 | 1990 Audi 90 | |
| Make | Audi | Audi |
| Model | A5 | 90 |
| Year Released | 2009 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 2299 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 130 HP |
| Torque | 250 Nm | 184 Nm |
| Engine Bore Size | 82.6 mm | 81.1 mm |
| Engine Stroke Size | 84.1 mm | 86.4 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1395 kg | 1134 kg |
| Vehicle Length | 4630 mm | 4400 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Wheelbase Size | 2760 mm | 2540 mm |
