1987 Audi 90 vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 12 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, 1999 Audi A4 (248 HP @ 5700 RPM) has 113 more horse power than 1987 Audi 90. (135 HP @ 5500 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 1987 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1987 Audi 90 weights approximately 10 kg more than 1999 Audi A4.
Because 1987 Audi 90 is four wheel drive (4WD), it will have significant more traction and grip than 1999 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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 134 more torque (in Nm) than 1987 Audi 90. (186 Nm @ 4000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Audi 90. 1999 Audi A4 has automatic transmission and 1987 Audi 90 has manual transmission. 1987 Audi 90 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Audi 90 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | 90 | A4 |
| Year Released | 1987 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1781 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 248 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 186 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1300 kg |
| Vehicle Length | 4400 mm | 4480 mm |
| Vehicle Width | 1700 mm | 1740 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2690 mm | 2620 mm |
| Fuel Tank Capacity | 80 L | 62 L |
