1987 Audi 90 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Audi 90. In addition, the cost of maintenance, including insurance, on 1987 Audi 90 would be higher. At 2,309 cc (5 cylinders), 1987 Audi 90 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 26 more horse power than 1987 Audi 90. (135 HP @ 5500 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 80 kg more than 1987 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Audi 90 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 1987 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, 2007 Audi A4 (225 Nm @ 1950 RPM) has 39 more torque (in Nm) than 1987 Audi 90. (186 Nm @ 4000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90.
Compare all specifications:
| 1987 Audi 90 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | 90 | A4 |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1779 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 161 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 186 Nm | 225 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1390 kg |
| Vehicle Length | 4400 mm | 4550 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2650 mm |
| Fuel Consumption Overall | 4.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
