2007 Aston Martin DB9 vs. 1984 Audi 90
To start off, 2007 Aston Martin DB9 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 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 337 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 779 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 Aston Martin DB9 (570 Nm @ 5000 RPM) has 402 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2007 Aston Martin DB9 | 1984 Audi 90 | |
| Make | Aston Martin | Audi |
| Model | DB9 | 90 |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1994 cc |
| Engine Cylinders | 12 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 451 HP | 114 HP |
| Engine RPM | 5750 RPM | 5700 RPM |
| Torque | 570 Nm | 168 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 79.5 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1835 kg | 1056 kg |
| Vehicle Length | 4720 mm | 4470 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1280 mm | 1370 mm |
| Wheelbase Size | 2750 mm | 2550 mm |
