1984 Audi 90 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 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 3,599 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (409 HP @ 7600 RPM) has 270 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 165 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, 2009 Porsche 911 (405 Nm @ 5500 RPM) has 215 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 2009 Porsche 911 | |
| Make | Audi | Porsche |
| Model | 90 | 911 |
| Year Released | 1984 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 2226 cc | 3599 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 139 HP | 409 HP |
| Engine RPM | 5700 RPM | 7600 RPM |
| Torque | 190 Nm | 405 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 81 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 1425 kg |
| Vehicle Length | 4470 mm | 4450 mm |
| Vehicle Width | 1690 mm | 1290 mm |
| Vehicle Height | 1370 mm | 1810 mm |
| Wheelbase Size | 2550 mm | 2360 mm |
