2004 Aston Martin DB9 vs. 1971 BMW Touring
To start off, 2004 Aston Martin DB9 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 369 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM). In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 686 kg more than 1971 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Aston Martin DB9 (570 Nm @ 5000 RPM) has 440 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 2004 Aston Martin DB9 | 1971 BMW Touring | |
| Make | Aston Martin | BMW |
| Model | DB9 | Touring |
| Year Released | 2004 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1573 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 454 HP | 85 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 570 Nm | 130 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84.1 mm |
| Engine Stroke Size | 79.5 mm | 71 mm |
| Engine Compression Ratio | 10.3:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1716 kg | 1030 kg |
| Vehicle Length | 4720 mm | 4120 mm |
| Vehicle Width | 1880 mm | 1600 mm |
| Vehicle Height | 1320 mm | 1390 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
