1984 Audi 90 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Audi 90. In addition, the cost of maintenance, including insurance, on 1984 Audi 90 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 113 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 350 kg more than 1984 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 (331 Nm @ 3250 RPM) has 141 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | 90 | A4 |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3123 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 139 HP | 252 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 190 Nm | 331 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 1260 kg | 1610 kg |
| Vehicle Length | 4470 mm | 4590 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2650 mm |
