1972 BMW 520 vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 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 301 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 390 kg more than 1972 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 380 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520. 2007 Aston Martin DB9 has automatic transmission and 1972 BMW 520 has manual transmission. 1972 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1972 BMW 520 | 2007 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | 520 | DB9 |
| Year Released | 1972 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 150 HP | 451 HP |
| Engine RPM | 5900 RPM | 5750 RPM |
| Torque | 190 Nm | 570 Nm |
| Torque RPM | 4200 RPM | 5000 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 66 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Top Speed | 211 km/hour | 300 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1445 kg | 1835 kg |
| Vehicle Length | 4630 mm | 4720 mm |
| Vehicle Width | 1700 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2770 mm | 2750 mm |
| Fuel Consumption | 7.3 L/100km | 12.4 L/100km |
| Fuel Consumption City | 12.4 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 80 L | 78 L |
