2009 Audi TT vs. 1984 Audi 90
To start off, 2009 Audi TT is newer by 25 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 2,226 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 2009 Audi TT (197 HP @ 5100 RPM) has 58 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM). In normal driving conditions, 2009 Audi TT should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi 90 weights approximately 365 kg more than 2009 Audi TT.
Let's talk about torque, 2009 Audi TT (280 Nm @ 1800 RPM) has 90 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2009 Audi TT | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | TT | 90 |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 139 HP |
| Engine RPM | 5100 RPM | 5700 RPM |
| Torque | 280 Nm | 190 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 895 kg | 1260 kg |
| Vehicle Length | 4180 mm | 4470 mm |
| Vehicle Width | 1360 mm | 1690 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2470 mm | 2550 mm |
