2009 Aston Martin DB9 vs. 2005 BMW X5
To start off, 2009 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 295 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 410 kg more than 2009 Aston Martin DB9.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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, 2009 Aston Martin DB9 (570 Nm @ 5750 RPM) has 50 more torque (in Nm) than 2005 BMW X5. (520 Nm @ 2000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2009 Aston Martin DB9 | 2005 BMW X5 | |
| Make | Aston Martin | BMW |
| Model | DB9 | X5 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5933 cc | 2926 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 510 HP | 215 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 570 Nm | 520 Nm |
| Torque RPM | 5750 RPM | 2000 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 90 mm |
| Engine Compression Ratio | 10.9:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 305 km/hour | 210 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 8.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1760 kg | 2170 kg |
| Vehicle Length | 4730 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1290 mm | 1720 mm |
| Wheelbase Size | 2750 mm | 2830 mm |
| Fuel Consumption Overall | 16.3 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 78 L | 93 L |
