2007 Audi A4 vs. 1986 Audi 90
To start off, 2007 Audi A4 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Audi 90. In addition, the cost of maintenance, including insurance, on 1986 Audi 90 would be higher. At 1,994 cc (5 cylinders), 1986 Audi 90 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 47 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 380 kg more than 1986 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (225 Nm @ 1950 RPM) has 56 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 2007 Audi A4 | 1986 Audi 90 | |
| Make | Audi | Audi |
| Model | A4 | 90 |
| Year Released | 2007 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 114 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 225 Nm | 169 Nm |
| Torque RPM | 1950 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1430 kg | 1050 kg |
| Vehicle Length | 4550 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
